112918578 has 8 divisors (see below), whose sum is σ = 225837168. Its totient is φ = 37639524.

The previous prime is 112918543. The next prime is 112918579. The reversal of 112918578 is 875819211.

It is a sphenic number, since it is the product of 3 distinct primes.

112918578 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (112918579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9409876 + ... + 9409887.

It is an arithmetic number, because the mean of its divisors is an integer number (28229646).

Almost surely, 2^112918578 is an apocalyptic number.

112918578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

112918578 is a wasteful number, since it uses less digits than its factorization.

112918578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18819768.

The product of its digits is 40320, while the sum is 42.

The square root of 112918578 is about 10626.3153538750. The cubic root of 112918578 is about 483.3426662751.

It can be divided in two parts, 112 and 918578, that added together give a triangular number (918690 = T₁₃₅₅).

The spelling of 112918578 in words is "one hundred twelve million, nine hundred eighteen thousand, five hundred seventy-eight".