118980631 has 12 divisors (see below), whose sum is σ = 149464336. Its totient is φ = 92711520.

The previous prime is 118980623. The next prime is 118980643. The reversal of 118980631 is 136089811.

It is not a de Polignac number, because 118980631 - 2³ = 118980623 is a prime.

It is a super-2 number, since 2×118980631² = 28312781106316322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118980611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69390 + ... + 71083.

Almost surely, 2^118980631 is an apocalyptic number.

118980631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118980631 is a deficient number, since it is larger than the sum of its proper divisors (30483705).

118980631 is a wasteful number, since it uses less digits than its factorization.

118980631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140502 (or 140491 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 118980631 is about 10907.8243018487. The cubic root of 118980631 is about 491.8417857221.

The spelling of 118980631 in words is "one hundred eighteen million, nine hundred eighty thousand, six hundred thirty-one".