115420656 has 40 divisors (see below), whose sum is σ = 321107920. Its totient is φ = 35513856.

The previous prime is 115420639. The next prime is 115420681. The reversal of 115420656 is 656024511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91861 + ... + 93108.

It is an arithmetic number, because the mean of its divisors is an integer number (8027698).

Almost surely, 2^115420656 is an apocalyptic number.

115420656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115420656 is an abundant number, since it is smaller than the sum of its proper divisors (205687264).

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

115420656 is a wasteful number, since it uses less digits than its factorization.

115420656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184993 (or 184987 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 115420656 is about 10743.4005789601. The cubic root of 115420656 is about 486.8866268674.

The spelling of 115420656 in words is "one hundred fifteen million, four hundred twenty thousand, six hundred fifty-six".