115720875 has 48 divisors (see below), whose sum is σ = 215860320. Its totient is φ = 59572800.

The previous prime is 115720807. The next prime is 115720877. The reversal of 115720875 is 578027511.

115720875 is a `hidden beast` number, since 1 + 1 + 572 + 0 + 87 + 5 = 666.

It is not a de Polignac number, because 115720875 - 2¹² = 115716779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115720877) 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, 30852 + ... + 34398.

It is an arithmetic number, because the mean of its divisors is an integer number (4497090).

Almost surely, 2^115720875 is an apocalyptic number.

115720875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115720875 is a deficient number, since it is larger than the sum of its proper divisors (100139445).

115720875 is a wasteful number, since it uses less digits than its factorization.

115720875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597 (or 3584 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The square root of 115720875 is about 10757.3637569806. The cubic root of 115720875 is about 487.3084059732.

The spelling of 115720875 in words is "one hundred fifteen million, seven hundred twenty thousand, eight hundred seventy-five".