115256420 has 24 divisors (see below), whose sum is σ = 243891648. Its totient is φ = 45749600.

The previous prime is 115256341. The next prime is 115256423. The reversal of 115256420 is 24652511.

It is a self number, because there is not a number n which added to its sum of digits gives 115256420.

It is not an unprimeable number, because it can be changed into a prime (115256423) 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, 19376 + ... + 24615.

It is an arithmetic number, because the mean of its divisors is an integer number (10162152).

Almost surely, 2^115256420 is an apocalyptic number.

115256420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115256420 is an abundant number, since it is smaller than the sum of its proper divisors (128635228).

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

115256420 is a wasteful number, since it uses less digits than its factorization.

115256420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44131 (or 44129 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 115256420 is about 10735.7542818379. The cubic root of 115256420 is about 486.6555813659.

The spelling of 115256420 in words is "one hundred fifteen million, two hundred fifty-six thousand, four hundred twenty".