124502404121 has 16 divisors (see below), whose sum is σ = 133459180800. Its totient is φ = 115927314048.

The previous prime is 124502404003. The next prime is 124502404141. The reversal of 124502404121 is 121404205421.

It is a cyclic number.

It is not a de Polignac number, because 124502404121 - 2³⁴ = 107322534937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124502404141) 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 15 ways as a sum of consecutive naturals, for example, 533396 + ... + 730421.

It is an arithmetic number, because the mean of its divisors is an integer number (8341198800).

Almost surely, 2^124502404121 is an apocalyptic number.

It is an amenable number.

124502404121 is a deficient number, since it is larger than the sum of its proper divisors (8956776679).

124502404121 is a wasteful number, since it uses less digits than its factorization.

124502404121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263968.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 124502404121 its reverse (121404205421), we get a palindrome (245906609542).

The spelling of 124502404121 in words is "one hundred twenty-four billion, five hundred two million, four hundred four thousand, one hundred twenty-one".