118019930 has 48 divisors (see below), whose sum is σ = 249539616. Its totient is φ = 40068000.

The previous prime is 118019921. The next prime is 118019953. The reversal of 118019930 is 39910811.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51305 + ... + 53555.

It is an arithmetic number, because the mean of its divisors is an integer number (5198742).

Almost surely, 2^118019930 is an apocalyptic number.

118019930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118019930 is an abundant number, since it is smaller than the sum of its proper divisors (131519686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118019930 is a wasteful number, since it uses less digits than its factorization.

118019930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379 (or 2372 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 118019930 is about 10863.6978050754. The cubic root of 118019930 is about 490.5144257284.

The spelling of 118019930 in words is "one hundred eighteen million, nineteen thousand, nine hundred thirty".