118631930 has 32 divisors (see below), whose sum is σ = 225676800. Its totient is φ = 44808192.

The previous prime is 118631923. The next prime is 118631941. The reversal of 118631930 is 39136811.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14906 + ... + 21434.

It is an arithmetic number, because the mean of its divisors is an integer number (7052400).

Almost surely, 2^118631930 is an apocalyptic number.

118631930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118631930 is a deficient number, since it is larger than the sum of its proper divisors (107044870).

118631930 is a wasteful number, since it uses less digits than its factorization.

118631930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6638.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 118631930 is about 10891.8285884419. The cubic root of 118631930 is about 491.3608291706.

The spelling of 118631930 in words is "one hundred eighteen million, six hundred thirty-one thousand, nine hundred thirty".