124042203442 has 8 divisors (see below), whose sum is σ = 186097822236. Its totient is φ = 62009596032.

The previous prime is 124042203407. The next prime is 124042203557. The reversal of 124042203442 is 244302240421.

It can be written as a sum of positive squares in 2 ways, for example, as 83214363961 + 40827839481 = 288469^2 + 202059^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 124042203442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5739363 + ... + 5760934.

Almost surely, 2^124042203442 is an apocalyptic number.

124042203442 is a deficient number, since it is larger than the sum of its proper divisors (62055618794).

124042203442 is a wasteful number, since it uses less digits than its factorization.

124042203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505692.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 124042203442 its reverse (244302240421), we get a palindrome (368344443863).

The spelling of 124042203442 in words is "one hundred twenty-four billion, forty-two million, two hundred three thousand, four hundred forty-two".