113178042 has 24 divisors (see below), whose sum is σ = 251848116. Its totient is φ = 36706176.

The previous prime is 113178019. The next prime is 113178049. The reversal of 113178042 is 240871311.

It can be written as a sum of positive squares in 2 ways, for example, as 108805761 + 4372281 = 10431^2 + 2091^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113177997 and 113178015.

It is not an unprimeable number, because it can be changed into a prime (113178049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84303 + ... + 85634.

Almost surely, 2^113178042 is an apocalyptic number.

113178042 is an abundant number, since it is smaller than the sum of its proper divisors (138670074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113178042 is a wasteful number, since it uses less digits than its factorization.

113178042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169982 (or 169979 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 113178042 is about 10638.5169079153. The cubic root of 113178042 is about 483.7125909016.

The spelling of 113178042 in words is "one hundred thirteen million, one hundred seventy-eight thousand, forty-two".