124681825 has 18 divisors (see below), whose sum is σ = 164244386. Its totient is φ = 93872640.

The previous prime is 124681813. The next prime is 124681831. The reversal of 124681825 is 528186421.

It can be written as a sum of positive squares in 9 ways, for example, as 32982049 + 91699776 = 5743^2 + 9576^2 .

It is not a de Polignac number, because 124681825 - 2²¹ = 122584673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1404 + ... + 15853.

Almost surely, 2^124681825 is an apocalyptic number.

It is an amenable number.

124681825 is a deficient number, since it is larger than the sum of its proper divisors (39562561).

124681825 is a wasteful number, since it uses less digits than its factorization.

124681825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17301 (or 17279 counting only the distinct ones).

The product of its digits is 30720, while the sum is 37.

The square root of 124681825 is about 11166.1016026185. The cubic root of 124681825 is about 499.5754062090.

The spelling of 124681825 in words is "one hundred twenty-four million, six hundred eighty-one thousand, eight hundred twenty-five".