113011172 has 24 divisors (see below), whose sum is σ = 215067384. Its totient is φ = 51743232.

The previous prime is 113011147. The next prime is 113011193. The reversal of 113011172 is 271110311.

It can be written as a sum of positive squares in 4 ways, for example, as 31181056 + 81830116 = 5584^2 + 9046^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 113011172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19943 + ... + 24974.

It is an arithmetic number, because the mean of its divisors is an integer number (8961141).

Almost surely, 2^113011172 is an apocalyptic number.

It is an amenable number.

113011172 is a deficient number, since it is larger than the sum of its proper divisors (102056212).

113011172 is a wasteful number, since it uses less digits than its factorization.

113011172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44975 (or 44973 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 113011172 is about 10630.6712864240. The cubic root of 113011172 is about 483.4747449350.

Adding to 113011172 its reverse (271110311), we get a palindrome (384121483).

The spelling of 113011172 in words is "one hundred thirteen million, eleven thousand, one hundred seventy-two".