115171904 has 28 divisors (see below), whose sum is σ = 232298748. Its totient is φ = 56640000.

The previous prime is 115171897. The next prime is 115171909. The reversal of 115171904 is 409171511.

It can be written as a sum of positive squares in 2 ways, for example, as 20070400 + 95101504 = 4480^2 + 9752^2 .

It is not an unprimeable number, because it can be changed into a prime (115171909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10847 + ... + 18654.

Almost surely, 2^115171904 is an apocalyptic number.

It is an amenable number.

115171904 is an abundant number, since it is smaller than the sum of its proper divisors (117126844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115171904 is an equidigital number, since it uses as much as digits as its factorization.

115171904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29574 (or 29564 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 29.

The square root of 115171904 is about 10731.8173670632. The cubic root of 115171904 is about 486.5365995900.

The spelling of 115171904 in words is "one hundred fifteen million, one hundred seventy-one thousand, nine hundred four".