124787872 has 48 divisors (see below), whose sum is σ = 269305344. Its totient is φ = 56448000.

The previous prime is 124787863. The next prime is 124787893. The reversal of 124787872 is 278787421.

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 7 ways as a sum of consecutive naturals, for example, 84097 + ... + 85567.

It is an arithmetic number, because the mean of its divisors is an integer number (5610528).

Almost surely, 2^124787872 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 124787872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134652672).

124787872 is an abundant number, since it is smaller than the sum of its proper divisors (144517472).

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

124787872 is a wasteful number, since it uses less digits than its factorization.

124787872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733 (or 1725 counting only the distinct ones).

The product of its digits is 351232, while the sum is 46.

The square root of 124787872 is about 11170.8492067524. The cubic root of 124787872 is about 499.7170025217.

The spelling of 124787872 in words is "one hundred twenty-four million, seven hundred eighty-seven thousand, eight hundred seventy-two".