124666400 has 36 divisors (see below), whose sum is σ = 304343802. Its totient is φ = 49866240.

The previous prime is 124666397. The next prime is 124666411. The reversal of 124666400 is 4666421.

It can be written as a sum of positive squares in 3 ways, for example, as 71842576 + 52823824 = 8476^2 + 7268^2 .

It is a super-2 number, since 2×124666400² = 31083422577920000, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 77117 + ... + 78716.

Almost surely, 2^124666400 is an apocalyptic number.

124666400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124666400 is an abundant number, since it is smaller than the sum of its proper divisors (179677402).

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

124666400 is a wasteful number, since it uses less digits than its factorization.

124666400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155853 (or 155840 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 124666400 is about 11165.4108746611. The cubic root of 124666400 is about 499.5548037182.

The spelling of 124666400 in words is "one hundred twenty-four million, six hundred sixty-six thousand, four hundred".