115017872 has 20 divisors (see below), whose sum is σ = 223029996. Its totient is φ = 57461760.

The previous prime is 115017829. The next prime is 115017899. The reversal of 115017872 is 278710511.

It can be written as a sum of positive squares in 2 ways, for example, as 96904336 + 18113536 = 9844^2 + 4256^2 .

It is a super-2 number, since 2×115017872² = 26458221758816768, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25448 + ... + 29624.

Almost surely, 2^115017872 is an apocalyptic number.

It is an amenable number.

115017872 is a deficient number, since it is larger than the sum of its proper divisors (108012124).

115017872 is a wasteful number, since it uses less digits than its factorization.

115017872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5906 (or 5900 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 32.

The square root of 115017872 is about 10724.6385486878. The cubic root of 115017872 is about 486.3196032647.

The spelling of 115017872 in words is "one hundred fifteen million, seventeen thousand, eight hundred seventy-two".