113131124 has 12 divisors (see below), whose sum is σ = 209625444. Its totient is φ = 53238144.

The previous prime is 113131099. The next prime is 113131129. The reversal of 113131124 is 421131311.

It can be written as a sum of positive squares in 2 ways, for example, as 56731024 + 56400100 = 7532^2 + 7510^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831779 + ... + 831914.

It is an arithmetic number, because the mean of its divisors is an integer number (17468787).

Almost surely, 2^113131124 is an apocalyptic number.

It is an amenable number.

113131124 is a deficient number, since it is larger than the sum of its proper divisors (96494320).

113131124 is a wasteful number, since it uses less digits than its factorization.

113131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663714 (or 1663712 counting only the distinct ones).

The product of its digits is 72, while the sum is 17.

The square root of 113131124 is about 10636.3115787382. The cubic root of 113131124 is about 483.6457405842.

Adding to 113131124 its reverse (421131311), we get a palindrome (534262435).

The spelling of 113131124 in words is "one hundred thirteen million, one hundred thirty-one thousand, one hundred twenty-four".