113128168 has 16 divisors (see below), whose sum is σ = 221338080. Its totient is φ = 54104688.

The previous prime is 113128163. The next prime is 113128177. The reversal of 113128168 is 861821311.

It is not an unprimeable number, because it can be changed into a prime (113128163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307230 + ... + 307597.

It is an arithmetic number, because the mean of its divisors is an integer number (13833630).

Almost surely, 2^113128168 is an apocalyptic number.

It is an amenable number.

113128168 is a deficient number, since it is larger than the sum of its proper divisors (108209912).

113128168 is a wasteful number, since it uses less digits than its factorization.

113128168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614856 (or 614852 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 113128168 is about 10636.1726198854. The cubic root of 113128168 is about 483.6415281588.

Adding to 113128168 its reverse (861821311), we get a palindrome (974949479).

The spelling of 113128168 in words is "one hundred thirteen million, one hundred twenty-eight thousand, one hundred sixty-eight".