124404533129 has 2 divisors, whose sum is σ = 124404533130. Its totient is φ = 124404533128.

The previous prime is 124404533117. The next prime is 124404533207. The reversal of 124404533129 is 921335404421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108333139600 + 16071393529 = 329140^2 + 126773^2 .

It is a cyclic number.

It is not a de Polignac number, because 124404533129 - 2²⁰ = 124403484553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124404533092 and 124404533101.

It is not a weakly prime, because it can be changed into another prime (124404533629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62202266564 + 62202266565.

It is an arithmetic number, because the mean of its divisors is an integer number (62202266565).

Almost surely, 2^124404533129 is an apocalyptic number.

It is an amenable number.

124404533129 is a deficient number, since it is larger than the sum of its proper divisors (1).

124404533129 is an equidigital number, since it uses as much as digits as its factorization.

124404533129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 124404533129 in words is "one hundred twenty-four billion, four hundred four million, five hundred thirty-three thousand, one hundred twenty-nine".