113251120 has 20 divisors (see below), whose sum is σ = 263309040. Its totient is φ = 45300416.

The previous prime is 113251111. The next prime is 113251123. The reversal of 113251120 is 21152311.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 113251094 and 113251103.

It is not an unprimeable number, because it can be changed into a prime (113251123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707740 + ... + 707899.

It is an arithmetic number, because the mean of its divisors is an integer number (13165452).

Almost surely, 2^113251120 is an apocalyptic number.

113251120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113251120 is an abundant number, since it is smaller than the sum of its proper divisors (150057920).

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

113251120 is a wasteful number, since it uses less digits than its factorization.

113251120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415652 (or 1415646 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 113251120 is about 10641.9509489567. The cubic root of 113251120 is about 483.8166780629.

The spelling of 113251120 in words is "one hundred thirteen million, two hundred fifty-one thousand, one hundred twenty".