118394972 has 12 divisors (see below), whose sum is σ = 208390056. Its totient is φ = 58854960.

The previous prime is 118394971. The next prime is 118394981. The reversal of 118394972 is 279493811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118394971) 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, 84854 + ... + 86237.

It is an arithmetic number, because the mean of its divisors is an integer number (17365838).

Almost surely, 2^118394972 is an apocalyptic number.

It is an amenable number.

118394972 is a deficient number, since it is larger than the sum of its proper divisors (89995084).

118394972 is a wasteful number, since it uses less digits than its factorization.

118394972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171268 (or 171266 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 118394972 is about 10880.9453633404. The cubic root of 118394972 is about 491.0334595024.

The spelling of 118394972 in words is "one hundred eighteen million, three hundred ninety-four thousand, nine hundred seventy-two".