118285100 has 36 divisors (see below), whose sum is σ = 260899968. Its totient is φ = 46536000.

The previous prime is 118285091. The next prime is 118285157. The reversal of 118285100 is 1582811.

It is a self number, because there is not a number n which added to its sum of digits gives 118285100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3596 + ... + 15795.

Almost surely, 2^118285100 is an apocalyptic number.

118285100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118285100 is an abundant number, since it is smaller than the sum of its proper divisors (142614868).

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

118285100 is a wasteful number, since it uses less digits than its factorization.

118285100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19466 (or 19459 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 118285100 is about 10875.8953654400. The cubic root of 118285100 is about 490.8815174478.

The spelling of 118285100 in words is "one hundred eighteen million, two hundred eighty-five thousand, one hundred".