113251122 has 48 divisors (see below), whose sum is σ = 262708992. Its totient is φ = 36527760.

The previous prime is 113251111. The next prime is 113251123. The reversal of 113251122 is 221152311.

113251122 is a `hidden beast` number, since 1 + 132 + 511 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 113251095 and 113251104.

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 23 ways as a sum of consecutive naturals, for example, 11308 + ... + 18824.

It is an arithmetic number, because the mean of its divisors is an integer number (5473104).

Almost surely, 2^113251122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113251122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131354496).

113251122 is an abundant number, since it is smaller than the sum of its proper divisors (149457870).

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

113251122 is an equidigital number, since it uses as much as digits as its factorization.

113251122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565 (or 7553 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 113251122 is about 10641.9510429244. The cubic root of 113251122 is about 483.8166809109.

The spelling of 113251122 in words is "one hundred thirteen million, two hundred fifty-one thousand, one hundred twenty-two".