124387841825 has 24 divisors (see below), whose sum is σ = 171833403000. Its totient is φ = 88688194560.

The previous prime is 124387841821. The next prime is 124387841857. The reversal of 124387841825 is 528148783421.

It can be written as a sum of positive squares in 12 ways, for example, as 83077685824 + 41310156001 = 288232^2 + 203249^2 .

It is not a de Polignac number, because 124387841825 - 2² = 124387841821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (124387841821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6589400 + ... + 6608249.

It is an arithmetic number, because the mean of its divisors is an integer number (7159725125).

Almost surely, 2^124387841825 is an apocalyptic number.

It is an amenable number.

124387841825 is a deficient number, since it is larger than the sum of its proper divisors (47445561175).

124387841825 is a wasteful number, since it uses less digits than its factorization.

124387841825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13197701 (or 13197696 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 53.

The spelling of 124387841825 in words is "one hundred twenty-four billion, three hundred eighty-seven million, eight hundred forty-one thousand, eight hundred twenty-five".