124118684129 has 6 divisors (see below), whose sum is σ = 136427975250. Its totient is φ = 112835167280.

The previous prime is 124118684117. The next prime is 124118684141. The reversal of 124118684129 is 921486811421.

It is an interprime number because it is at equal distance from previous prime (124118684117) and next prime (124118684141).

It can be written as a sum of positive squares in only one way, i.e., 102288030625 + 21830653504 = 319825^2 + 147752^2 .

It is not a de Polignac number, because 124118684129 - 2⁸ = 124118683873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124118684329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 512887004 + ... + 512887245.

It is an arithmetic number, because the mean of its divisors is an integer number (22737995875).

Almost surely, 2^124118684129 is an apocalyptic number.

It is an amenable number.

124118684129 is a deficient number, since it is larger than the sum of its proper divisors (12309291121).

124118684129 is a wasteful number, since it uses less digits than its factorization.

124118684129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025774271 (or 1025774260 counting only the distinct ones).

The product of its digits is 221184, while the sum is 47.

The spelling of 124118684129 in words is "one hundred twenty-four billion, one hundred eighteen million, six hundred eighty-four thousand, one hundred twenty-nine".