13124403125 has 48 divisors (see below), whose sum is σ = 17156558160. Its totient is φ = 10026240000.

The previous prime is 13124403079. The next prime is 13124403143. The reversal of 13124403125 is 52130442131.

It is a happy number.

It can be written as a sum of positive squares in 24 ways, for example, as 12801338449 + 323064676 = 113143^2 + 17974^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13124403125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13124403094 and 13124403103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8789879 + ... + 8791371.

It is an arithmetic number, because the mean of its divisors is an integer number (357428295).

Almost surely, 2^13124403125 is an apocalyptic number.

It is an amenable number.

13124403125 is a deficient number, since it is larger than the sum of its proper divisors (4032155035).

13124403125 is an frugal number, since it uses more digits than its factorization.

13124403125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 13124403125 its reverse (52130442131), we get a palindrome (65254845256).

The spelling of 13124403125 in words is "thirteen billion, one hundred twenty-four million, four hundred three thousand, one hundred twenty-five".