113472185 has 4 divisors (see below), whose sum is σ = 136166628. Its totient is φ = 90777744.

The previous prime is 113472169. The next prime is 113472193. The reversal of 113472185 is 581274311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 581274311 = 191 ⋅3043321.

It can be written as a sum of positive squares in 2 ways, for example, as 51566761 + 61905424 = 7181^2 + 7868^2 .

It is a cyclic number.

It is not a de Polignac number, because 113472185 - 2⁴ = 113472169 is a prime.

It is a Duffinian 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, 11347214 + ... + 11347223.

It is an arithmetic number, because the mean of its divisors is an integer number (34041657).

Almost surely, 2^113472185 is an apocalyptic number.

It is an amenable number.

113472185 is a deficient number, since it is larger than the sum of its proper divisors (22694443).

113472185 is an equidigital number, since it uses as much as digits as its factorization.

113472185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22694442.

The product of its digits is 6720, while the sum is 32.

The square root of 113472185 is about 10652.3323737105. The cubic root of 113472185 is about 484.1312751508.

The spelling of 113472185 in words is "one hundred thirteen million, four hundred seventy-two thousand, one hundred eighty-five".