124120444242 has 16 divisors (see below), whose sum is σ = 259033970880. Its totient is φ = 39574634352.

The previous prime is 124120444229. The next prime is 124120444249. The reversal of 124120444242 is 242444021421.

It is not an unprimeable number, because it can be changed into a prime (124120444249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449711617 + ... + 449711892.

It is an arithmetic number, because the mean of its divisors is an integer number (16189623180).

Almost surely, 2^124120444242 is an apocalyptic number.

124120444242 is an abundant number, since it is smaller than the sum of its proper divisors (134913526638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124120444242 is a wasteful number, since it uses less digits than its factorization.

124120444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899423537.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 124120444242 its reverse (242444021421), we get a palindrome (366564465663).

The spelling of 124120444242 in words is "one hundred twenty-four billion, one hundred twenty million, four hundred forty-four thousand, two hundred forty-two".