124989648 has 160 divisors (see below), whose sum is σ = 388641792. Its totient is φ = 33868800.

The previous prime is 124989629. The next prime is 124989653. The reversal of 124989648 is 846989421.

It is a self number, because there is not a number n which added to its sum of digits gives 124989648.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 592263 + ... + 592473.

Almost surely, 2^124989648 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 124989648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194320896).

124989648 is an abundant number, since it is smaller than the sum of its proper divisors (263652144).

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

124989648 is a wasteful number, since it uses less digits than its factorization.

124989648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 307 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 124989648 is about 11179.8769223995. The cubic root of 124989648 is about 499.9861969523.

The spelling of 124989648 in words is "one hundred twenty-four million, nine hundred eighty-nine thousand, six hundred forty-eight".