118219800 has 48 divisors (see below), whose sum is σ = 366483240. Its totient is φ = 31525120.

The previous prime is 118219789. The next prime is 118219811. The reversal of 118219800 is 8912811.

It is an interprime number because it is at equal distance from previous prime (118219789) and next prime (118219811).

It is a super-2 number, since 2×118219800² = 27951842224080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97917 + ... + 99116.

Almost surely, 2^118219800 is an apocalyptic number.

118219800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118219800 is an abundant number, since it is smaller than the sum of its proper divisors (248263440).

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

118219800 is a wasteful number, since it uses less digits than its factorization.

118219800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197052 (or 197043 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 118219800 is about 10872.8928993162. The cubic root of 118219800 is about 490.7911694566.

The spelling of 118219800 in words is "one hundred eighteen million, two hundred nineteen thousand, eight hundred".