113685120 has 384 divisors, whose sum is σ = 441080640. Its totient is φ = 27869184.

The previous prime is 113685109. The next prime is 113685139. The reversal of 113685120 is 21586311.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2643819 + ... + 2643861.

Almost surely, 2^113685120 is an apocalyptic number.

113685120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113685120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220540320).

113685120 is an abundant number, since it is smaller than the sum of its proper divisors (327395520).

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

113685120 is an equidigital number, since it uses as much as digits as its factorization.

113685120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 113685120 is about 10662.3224486976. The cubic root of 113685120 is about 484.4339163576.

The spelling of 113685120 in words is "one hundred thirteen million, six hundred eighty-five thousand, one hundred twenty".