113221752 has 96 divisors (see below), whose sum is σ = 337075200. Its totient is φ = 31582656.

The previous prime is 113221723. The next prime is 113221781. The reversal of 113221752 is 257122311.

It is an interprime number because it is at equal distance from previous prime (113221723) and next prime (113221781).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49449 + ... + 51687.

It is an arithmetic number, because the mean of its divisors is an integer number (3511200).

Almost surely, 2^113221752 is an apocalyptic number.

113221752 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 113221752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168537600).

113221752 is an abundant number, since it is smaller than the sum of its proper divisors (223853448).

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

113221752 is a wasteful number, since it uses less digits than its factorization.

113221752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2294 counting only the distinct ones).

The product of its digits is 840, while the sum is 24.

The square root of 113221752 is about 10640.5710373081. The cubic root of 113221752 is about 483.7748537331.

The spelling of 113221752 in words is "one hundred thirteen million, two hundred twenty-one thousand, seven hundred fifty-two".