124663872 has 28 divisors (see below), whose sum is σ = 329840336. Its totient is φ = 41554560.

The previous prime is 124663871. The next prime is 124663879. The reversal of 124663872 is 278366421.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 124663872.

It is not an unprimeable number, because it can be changed into a prime (124663871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324454 + ... + 324837.

It is an arithmetic number, because the mean of its divisors is an integer number (11780012).

Almost surely, 2^124663872 is an apocalyptic number.

124663872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

124663872 is an abundant number, since it is smaller than the sum of its proper divisors (205176464).

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

124663872 is an equidigital number, since it uses as much as digits as its factorization.

124663872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649306 (or 649296 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 124663872 is about 11165.2976673262. The cubic root of 124663872 is about 499.5514270182.

The spelling of 124663872 in words is "one hundred twenty-four million, six hundred sixty-three thousand, eight hundred seventy-two".