115172170 has 16 divisors (see below), whose sum is σ = 207492480. Its totient is φ = 46028304.

The previous prime is 115172159. The next prime is 115172177. The reversal of 115172170 is 71271511.

It is not an unprimeable number, because it can be changed into a prime (115172177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8611 + ... + 17449.

It is an arithmetic number, because the mean of its divisors is an integer number (12968280).

Almost surely, 2^115172170 is an apocalyptic number.

115172170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115172170 is a deficient number, since it is larger than the sum of its proper divisors (92320310).

115172170 is a wasteful number, since it uses less digits than its factorization.

115172170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149.

The product of its (nonzero) digits is 490, while the sum is 25.

The square root of 115172170 is about 10731.8297601108. The cubic root of 115172170 is about 486.5369741565.

The spelling of 115172170 in words is "one hundred fifteen million, one hundred seventy-two thousand, one hundred seventy".