124716688825 has 6 divisors (see below), whose sum is σ = 154648694174. Its totient is φ = 99773351040.

The previous prime is 124716688799. The next prime is 124716688829. The reversal of 124716688825 is 528886617421.

It can be written as a sum of positive squares in 3 ways, for example, as 36476798121 + 88239890704 = 190989^2 + 297052^2 .

It is a de Polignac number, because none of the positive numbers 2^k-124716688825 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124716688825.

It is not an unprimeable number, because it can be changed into a prime (124716688829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2494333752 + ... + 2494333801.

Almost surely, 2^124716688825 is an apocalyptic number.

It is an amenable number.

124716688825 is a deficient number, since it is larger than the sum of its proper divisors (29932005349).

124716688825 is an equidigital number, since it uses as much as digits as its factorization.

124716688825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4988667563 (or 4988667558 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 58.

The spelling of 124716688825 in words is "one hundred twenty-four billion, seven hundred sixteen million, six hundred eighty-eight thousand, eight hundred twenty-five".