112973218 has 8 divisors (see below), whose sum is σ = 171364140. Its totient is φ = 55851840.

The previous prime is 112973213. The next prime is 112973227. The reversal of 112973218 is 812379211.

It can be written as a sum of positive squares in 2 ways, for example, as 107806689 + 5166529 = 10383^2 + 2273^2 .

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

It is not an unprimeable number, because it can be changed into a prime (112973213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317163 + ... + 317518.

Almost surely, 2^112973218 is an apocalyptic number.

112973218 is a deficient number, since it is larger than the sum of its proper divisors (58390922).

112973218 is an equidigital number, since it uses as much as digits as its factorization.

112973218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634772.

The product of its digits is 6048, while the sum is 34.

The square root of 112973218 is about 10628.8860187698. The cubic root of 112973218 is about 483.4206150209.

It can be divided in two parts, 1129 and 73218, that added together give a palindrome (74347).

The spelling of 112973218 in words is "one hundred twelve million, nine hundred seventy-three thousand, two hundred eighteen".