113921472 has 84 divisors (see below), whose sum is σ = 350657160. Its totient is φ = 32546304.

The previous prime is 113921449. The next prime is 113921519. The reversal of 113921472 is 274129311.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3354 + ... + 15462.

It is an arithmetic number, because the mean of its divisors is an integer number (4174490).

Almost surely, 2^113921472 is an apocalyptic number.

113921472 is a gapful number since it is divisible by the number (12) 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 113921472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175328580).

113921472 is an abundant number, since it is smaller than the sum of its proper divisors (236735688).

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

113921472 is a wasteful number, since it uses less digits than its factorization.

113921472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12138 (or 12121 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 113921472 is about 10673.4002079937. The cubic root of 113921472 is about 484.7693975825.

The spelling of 113921472 in words is "one hundred thirteen million, nine hundred twenty-one thousand, four hundred seventy-two".