115922997 has 12 divisors (see below), whose sum is σ = 170190124. Its totient is φ = 76014720.

The previous prime is 115922987. The next prime is 115922999. The reversal of 115922997 is 799229511.

It can be written as a sum of positive squares in 2 ways, for example, as 56340036 + 59582961 = 7506^2 + 7719^2 .

It is not a de Polignac number, because 115922997 - 2¹⁰ = 115921973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115922999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105028 + ... + 106125.

Almost surely, 2^115922997 is an apocalyptic number.

It is an amenable number.

115922997 is a deficient number, since it is larger than the sum of its proper divisors (54267127).

115922997 is a wasteful number, since it uses less digits than its factorization.

115922997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211220 (or 211217 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 115922997 is about 10766.7542462898. The cubic root of 115922997 is about 487.5919574064.

The spelling of 115922997 in words is "one hundred fifteen million, nine hundred twenty-two thousand, nine hundred ninety-seven".