113685172 has 12 divisors (see below), whose sum is σ = 199630116. Its totient is φ = 56648000.

The previous prime is 113685161. The next prime is 113685197. The reversal of 113685172 is 271586311.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98287396 + 15397776 = 9914^2 + 3924^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47329 + ... + 49672.

It is an arithmetic number, because the mean of its divisors is an integer number (16635843).

Almost surely, 2^113685172 is an apocalyptic number.

It is an amenable number.

113685172 is a deficient number, since it is larger than the sum of its proper divisors (85944944).

113685172 is a wasteful number, since it uses less digits than its factorization.

113685172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97298 (or 97296 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 113685172 is about 10662.3248871904. The cubic root of 113685172 is about 484.4339902182.

The spelling of 113685172 in words is "one hundred thirteen million, six hundred eighty-five thousand, one hundred seventy-two".