118998172 has 24 divisors (see below), whose sum is σ = 213240384. Its totient is φ = 58079232.

The previous prime is 118998151. The next prime is 118998193. The reversal of 118998172 is 271899811.

It is an interprime number because it is at equal distance from previous prime (118998151) and next prime (118998193).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107928 + ... + 109024.

It is an arithmetic number, because the mean of its divisors is an integer number (8885016).

Almost surely, 2^118998172 is an apocalyptic number.

It is an amenable number.

118998172 is a deficient number, since it is larger than the sum of its proper divisors (94242212).

118998172 is a wasteful number, since it uses less digits than its factorization.

118998172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1723 counting only the distinct ones).

The product of its digits is 72576, while the sum is 46.

The square root of 118998172 is about 10908.6283280713. The cubic root of 118998172 is about 491.8659548459.

The spelling of 118998172 in words is "one hundred eighteen million, nine hundred ninety-eight thousand, one hundred seventy-two".