113861173 has 12 divisors (see below), whose sum is σ = 118472068. Its totient is φ = 109347840.

The previous prime is 113861159. The next prime is 113861177. The reversal of 113861173 is 371168311.

It can be written as a sum of positive squares in 6 ways, for example, as 9474084 + 104387089 = 3078^2 + 10217^2 .

It is a de Polignac number, because none of the positive numbers 2^k-113861173 is a prime.

It is a Duffinian number.

Its product of digits (3024) is a multiple of the sum of its prime factors (504).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113861177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472333 + ... + 472573.

Almost surely, 2^113861173 is an apocalyptic number.

It is an amenable number.

113861173 is a deficient number, since it is larger than the sum of its proper divisors (4610895).

113861173 is an equidigital number, since it uses as much as digits as its factorization.

113861173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 391 counting only the distinct ones).

The product of its digits is 3024, while the sum is 31.

The square root of 113861173 is about 10670.5751016522. The cubic root of 113861173 is about 484.6838524894.

The spelling of 113861173 in words is "one hundred thirteen million, eight hundred sixty-one thousand, one hundred seventy-three".