124452551225 has 96 divisors (see below), whose sum is σ = 168524928000. Its totient is φ = 90878112000.

The previous prime is 124452551191. The next prime is 124452551227. The reversal of 124452551225 is 522155254421.

It is not a de Polignac number, because 124452551225 - 2⁸ = 124452550969 is a prime.

It is a super-2 number, since 2×124452551225² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124452551227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 400168820 + ... + 400169130.

It is an arithmetic number, because the mean of its divisors is an integer number (1755468000).

Almost surely, 2^124452551225 is an apocalyptic number.

It is an amenable number.

124452551225 is a deficient number, since it is larger than the sum of its proper divisors (44072376775).

124452551225 is a wasteful number, since it uses less digits than its factorization.

124452551225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 634 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The spelling of 124452551225 in words is "one hundred twenty-four billion, four hundred fifty-two million, five hundred fifty-one thousand, two hundred twenty-five".