124112525122 has 4 divisors (see below), whose sum is σ = 186168787686. Its totient is φ = 62056262560.

The previous prime is 124112525111. The next prime is 124112525123. The reversal of 124112525122 is 221525211421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 81458297281 + 42654227841 = 285409^2 + 206529^2 .

It is a super-2 number, since 2×124112525122² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124112525123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31028131279 + ... + 31028131282.

Almost surely, 2^124112525122 is an apocalyptic number.

124112525122 is a deficient number, since it is larger than the sum of its proper divisors (62056262564).

124112525122 is an equidigital number, since it uses as much as digits as its factorization.

124112525122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62056262563.

The product of its digits is 3200, while the sum is 28.

Adding to 124112525122 its reverse (221525211421), we get a palindrome (345637736543).

The spelling of 124112525122 in words is "one hundred twenty-four billion, one hundred twelve million, five hundred twenty-five thousand, one hundred twenty-two".