115912017 has 48 divisors (see below), whose sum is σ = 186186000. Its totient is φ = 69050880.

The previous prime is 115912003. The next prime is 115912033. The reversal of 115912017 is 710219511.

It can be written as a sum of positive squares in 8 ways, for example, as 38489616 + 77422401 = 6204^2 + 8799^2 .

It is not a de Polignac number, because 115912017 - 2⁷ = 115911889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115912037) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 777859 + ... + 778007.

It is an arithmetic number, because the mean of its divisors is an integer number (3878875).

Almost surely, 2^115912017 is an apocalyptic number.

It is an amenable number.

115912017 is a deficient number, since it is larger than the sum of its proper divisors (70273983).

115912017 is a wasteful number, since it uses less digits than its factorization.

115912017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 27.

The square root of 115912017 is about 10766.2443312420. The cubic root of 115912017 is about 487.5765623342.

The spelling of 115912017 in words is "one hundred fifteen million, nine hundred twelve thousand, seventeen".