118490100 has 36 divisors (see below), whose sum is σ = 342832224. Its totient is φ = 31597280.

The previous prime is 118490093. The next prime is 118490101. The reversal of 118490100 is 1094811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118490101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197184 + ... + 197783.

Almost surely, 2^118490100 is an apocalyptic number.

118490100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118490100 is an abundant number, since it is smaller than the sum of its proper divisors (224342124).

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

118490100 is a wasteful number, since it uses less digits than its factorization.

118490100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394984 (or 394977 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 118490100 is about 10885.3157969808. The cubic root of 118490100 is about 491.1649361613.

The spelling of 118490100 in words is "one hundred eighteen million, four hundred ninety thousand, one hundred".