115172000 has 48 divisors (see below), whose sum is σ = 282987432. Its totient is φ = 46067200.

The previous prime is 115171999. The next prime is 115172041. The reversal of 115172000 is 271511.

It can be written as a sum of positive squares in 4 ways, for example, as 22165264 + 93006736 = 4708^2 + 9644^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 115172000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10397 + ... + 18396.

Almost surely, 2^115172000 is an apocalyptic number.

115172000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115172000 is an abundant number, since it is smaller than the sum of its proper divisors (167815432).

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

115172000 is an equidigital number, since it uses as much as digits as its factorization.

115172000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28818 (or 28800 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 115172000 is about 10731.8218397437. The cubic root of 115172000 is about 486.5367347720.

The spelling of 115172000 in words is "one hundred fifteen million, one hundred seventy-two thousand".