118308100 has 36 divisors (see below), whose sum is σ = 271834164. Its totient is φ = 44538880.

The previous prime is 118308061. The next prime is 118308101. The reversal of 118308100 is 1803811.

It can be written as a sum of positive squares in 6 ways, for example, as 6625476 + 111682624 = 2574^2 + 10568^2 .

It is a super-2 number, since 2×118308100² = 27993613051220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118308101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33097 + ... + 36496.

It is an arithmetic number, because the mean of its divisors is an integer number (7550949).

Almost surely, 2^118308100 is an apocalyptic number.

118308100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118308100 is an abundant number, since it is smaller than the sum of its proper divisors (153526064).

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

118308100 is a wasteful number, since it uses less digits than its factorization.

118308100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69624 (or 69617 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 118308100 is about 10876.9526982515. The cubic root of 118308100 is about 490.9133319457.

The spelling of 118308100 in words is "one hundred eighteen million, three hundred eight thousand, one hundred".