118818130 has 24 divisors (see below), whose sum is σ = 215657892. Its totient is φ = 47133504.

The previous prime is 118818101. The next prime is 118818131. The reversal of 118818130 is 31818811.

It can be written as a sum of positive squares in 6 ways, for example, as 109139809 + 9678321 = 10447^2 + 3111^2 .

It is a super-3 number, since 3×118818130³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118818092 and 118818101.

It is not an unprimeable number, because it can be changed into a prime (118818131) 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, 299092 + ... + 299488.

Almost surely, 2^118818130 is an apocalyptic number.

118818130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118818130 is a deficient number, since it is larger than the sum of its proper divisors (96839762).

118818130 is an equidigital number, since it uses as much as digits as its factorization.

118818130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 31.

The square root of 118818130 is about 10900.3729294002. The cubic root of 118818130 is about 491.6177683184.

The spelling of 118818130 in words is "one hundred eighteen million, eight hundred eighteen thousand, one hundred thirty".