118225880 has 32 divisors (see below), whose sum is σ = 266781600. Its totient is φ = 47152896.

The previous prime is 118225879. The next prime is 118225901. The reversal of 118225880 is 88522811.

It is a self number, because there is not a number n which added to its sum of digits gives 118225880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10244 + ... + 18476.

It is an arithmetic number, because the mean of its divisors is an integer number (8336925).

Almost surely, 2^118225880 is an apocalyptic number.

118225880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118225880 is an abundant number, since it is smaller than the sum of its proper divisors (148555720).

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

118225880 is a wasteful number, since it uses less digits than its factorization.

118225880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8603 (or 8599 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 35.

The square root of 118225880 is about 10873.1724901245. The cubic root of 118225880 is about 490.7995830476.

The spelling of 118225880 in words is "one hundred eighteen million, two hundred twenty-five thousand, eight hundred eighty".