124863872 has 128 divisors (see below), whose sum is σ = 304335360. Its totient is φ = 49876992.

The previous prime is 124863857. The next prime is 124863881. The reversal of 124863872 is 278368421.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1504343 + ... + 1504425.

It is an arithmetic number, because the mean of its divisors is an integer number (2377620).

Almost surely, 2^124863872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124863872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152167680).

124863872 is an abundant number, since it is smaller than the sum of its proper divisors (179471488).

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

124863872 is an equidigital number, since it uses as much as digits as its factorization.

124863872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 188 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 124863872 is about 11174.2503999150. The cubic root of 124863872 is about 499.8184300727.

The spelling of 124863872 in words is "one hundred twenty-four million, eight hundred sixty-three thousand, eight hundred seventy-two".