115925939 has 2 divisors, whose sum is σ = 115925940. Its totient is φ = 115925938.

The previous prime is 115925933. The next prime is 115925947. The reversal of 115925939 is 939529511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115925939 - 2¹⁶ = 115860403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115925939.

It is not a weakly prime, because it can be changed into another prime (115925933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57962969 + 57962970.

It is an arithmetic number, because the mean of its divisors is an integer number (57962970).

Almost surely, 2^115925939 is an apocalyptic number.

115925939 is a deficient number, since it is larger than the sum of its proper divisors (1).

115925939 is an equidigital number, since it uses as much as digits as its factorization.

115925939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 109350, while the sum is 44.

The square root of 115925939 is about 10766.8908696986. The cubic root of 115925939 is about 487.5960822233.

The spelling of 115925939 in words is "one hundred fifteen million, nine hundred twenty-five thousand, nine hundred thirty-nine".