124223733842 has 16 divisors (see below), whose sum is σ = 200675314392. Its totient is φ = 57332257920.

The previous prime is 124223733797. The next prime is 124223733857. The reversal of 124223733842 is 248337322421.

It can be written as a sum of positive squares in 4 ways, for example, as 69855018601 + 54368715241 = 264301^2 + 233171^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 124223733842.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1192742 + ... + 1292702.

Almost surely, 2^124223733842 is an apocalyptic number.

124223733842 is a deficient number, since it is larger than the sum of its proper divisors (76451580550).

124223733842 is a wasteful number, since it uses less digits than its factorization.

124223733842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147773.

The product of its digits is 387072, while the sum is 41.

The spelling of 124223733842 in words is "one hundred twenty-four billion, two hundred twenty-three million, seven hundred thirty-three thousand, eight hundred forty-two".