118081000 has 32 divisors (see below), whose sum is σ = 276311880. Its totient is φ = 47232000.

The previous prime is 118080973. The next prime is 118081013. The reversal of 118081000 is 180811.

It can be written as a sum of positive squares in 4 ways, for example, as 33477796 + 84603204 = 5786^2 + 9198^2 .

It is a super-2 number, since 2×118081000² = 27886245122000000, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 58041 + ... + 60040.

Almost surely, 2^118081000 is an apocalyptic number.

118081000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118081000 is an abundant number, since it is smaller than the sum of its proper divisors (158230880).

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

118081000 is a wasteful number, since it uses less digits than its factorization.

118081000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118102 (or 118088 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 118081000 is about 10866.5081788033. The cubic root of 118081000 is about 490.5990175160.

The spelling of 118081000 in words is "one hundred eighteen million, eighty-one thousand".