118494812 has 24 divisors (see below), whose sum is σ = 216748560. Its totient is φ = 56609280.

The previous prime is 118494809. The next prime is 118494823. The reversal of 118494812 is 218494811.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5987 + ... + 16517.

It is an arithmetic number, because the mean of its divisors is an integer number (9031190).

Almost surely, 2^118494812 is an apocalyptic number.

It is an amenable number.

118494812 is a deficient number, since it is larger than the sum of its proper divisors (98253748).

118494812 is a wasteful number, since it uses less digits than its factorization.

118494812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661 (or 10659 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 118494812 is about 10885.5322331983. The cubic root of 118494812 is about 491.1714467995.

Subtracting 118494812 from its reverse (218494811), we obtain a palindrome (99999999).

It can be divided in two parts, 11849 and 4812, that added together give a palindrome (16661).

The spelling of 118494812 in words is "one hundred eighteen million, four hundred ninety-four thousand, eight hundred twelve".