125416818 has 48 divisors (see below), whose sum is σ = 277595136. Its totient is φ = 40914720.

The previous prime is 125416807. The next prime is 125416859. The reversal of 125416818 is 818614521.

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 23 ways as a sum of consecutive naturals, for example, 189408 + ... + 190068.

It is an arithmetic number, because the mean of its divisors is an integer number (5783232).

Almost surely, 2^125416818 is an apocalyptic number.

125416818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

125416818 is an abundant number, since it is smaller than the sum of its proper divisors (152178318).

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

125416818 is a wasteful number, since it uses less digits than its factorization.

125416818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 876 counting only the distinct ones).

The product of its digits is 15360, while the sum is 36.

The square root of 125416818 is about 11198.9650414670. The cubic root of 125416818 is about 500.5551407427. Note that the first 3 decimals are identical.

The spelling of 125416818 in words is "one hundred twenty-five million, four hundred sixteen thousand, eight hundred eighteen".