124661229842 has 18 divisors (see below), whose sum is σ = 193684681983. Its totient is φ = 60174292864.

The previous prime is 124661229839. The next prime is 124661229851. The reversal of 124661229842 is 248922166421.

It can be written as a sum of positive squares in 5 ways, for example, as 32166781201 + 92494448641 = 179351^2 + 304129^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=249661.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14476034 + ... + 14484642.

Almost surely, 2^124661229842 is an apocalyptic number.

124661229842 is a deficient number, since it is larger than the sum of its proper divisors (69023452141).

124661229842 is an frugal number, since it uses more digits than its factorization.

124661229842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17278 (or 8640 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The spelling of 124661229842 in words is "one hundred twenty-four billion, six hundred sixty-one million, two hundred twenty-nine thousand, eight hundred forty-two".