1. Concise Code: Kotlin does not contain much boilerplate code, which allows developers to write more with fewer lines. This not only makes the code base more readable, and thus easier to maintain, but also reduces the risk of errors.

2. Zero Security: Kotlin is compiled to be null-safe, which minimizes common null pointer exceptions found in Java.

3. Interoperability with Java: Another crucial advantage of Kotlin is that it is fully interoperable with Java, and this means that despite many improvements to Java, Kotlin can be used side by side with Java and can be included in any Java-based project without having to rewrite the project’s code base.

4. Modern features: It also shows additional functions like data class, extension functions or even lambda expression which makes it easier.