115901957 has 8 divisors (see below), whose sum is σ = 124978560. Its totient is φ = 107123040.

The previous prime is 115901939. The next prime is 115901959. The reversal of 115901957 is 759109511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115901957 - 2¹² = 115897861 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115901957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115901959) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73613 + ... + 75170.

It is an arithmetic number, because the mean of its divisors is an integer number (15622320).

Almost surely, 2^115901957 is an apocalyptic number.

It is an amenable number.

115901957 is a deficient number, since it is larger than the sum of its proper divisors (9076603).

115901957 is a wasteful number, since it uses less digits than its factorization.

115901957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148843.

The product of its (nonzero) digits is 14175, while the sum is 38.

The square root of 115901957 is about 10765.7771201154. Note that the first 3 decimals coincide. The cubic root of 115901957 is about 487.5624563417.

The spelling of 115901957 in words is "one hundred fifteen million, nine hundred one thousand, nine hundred fifty-seven".