115107289 has 16 divisors (see below), whose sum is σ = 135224640. Its totient is φ = 96808960.

The previous prime is 115107271. The next prime is 115107331. The reversal of 115107289 is 982701511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115107289 - 2⁵ = 115107257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115107229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5817 + ... + 16249.

It is an arithmetic number, because the mean of its divisors is an integer number (8451540).

Almost surely, 2^115107289 is an apocalyptic number.

It is an amenable number.

115107289 is a deficient number, since it is larger than the sum of its proper divisors (20117351).

115107289 is a wasteful number, since it uses less digits than its factorization.

115107289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10520.

The product of its (nonzero) digits is 5040, while the sum is 34.

The square root of 115107289 is about 10728.8065039873. The cubic root of 115107289 is about 486.4455952093.

The spelling of 115107289 in words is "one hundred fifteen million, one hundred seven thousand, two hundred eighty-nine".