113221052 has 24 divisors (see below), whose sum is σ = 233748480. Its totient is φ = 46957680.

The previous prime is 113221039. The next prime is 113221079. The reversal of 113221052 is 250122311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 113221052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64352 + ... + 66087.

It is an arithmetic number, because the mean of its divisors is an integer number (9739520).

Almost surely, 2^113221052 is an apocalyptic number.

It is an amenable number.

113221052 is an abundant number, since it is smaller than the sum of its proper divisors (120527428).

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

113221052 is a wasteful number, since it uses less digits than its factorization.

113221052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130481 (or 130479 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 113221052 is about 10640.5381442857. The cubic root of 113221052 is about 483.7738567424.

Adding to 113221052 its reverse (250122311), we get a palindrome (363343363).

The spelling of 113221052 in words is "one hundred thirteen million, two hundred twenty-one thousand, fifty-two".