124666660 has 12 divisors (see below), whose sum is σ = 261800028. Its totient is φ = 49866656.

The previous prime is 124666637. The next prime is 124666673. The reversal of 124666660 is 66666421.

It can be written as a sum of positive squares in 2 ways, for example, as 72046144 + 52620516 = 8488^2 + 7254^2 .

It is a super-2 number, since 2×124666660² = 31083552231111200, 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 3 ways as a sum of consecutive naturals, for example, 3116647 + ... + 3116686.

It is an arithmetic number, because the mean of its divisors is an integer number (21816669).

Almost surely, 2^124666660 is an apocalyptic number.

124666660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124666660 is an abundant number, since it is smaller than the sum of its proper divisors (137133368).

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

124666660 is a wasteful number, since it uses less digits than its factorization.

124666660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233342 (or 6233340 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 124666660 is about 11165.4225177554. The cubic root of 124666660 is about 499.5551510028. Note that the first 3 decimals are identical.

The spelling of 124666660 in words is "one hundred twenty-four million, six hundred sixty-six thousand, six hundred sixty".