124442421242 has 64 divisors (see below), whose sum is σ = 218351013120. Its totient is φ = 52759010304.

The previous prime is 124442421193. The next prime is 124442421263. The reversal of 124442421242 is 242124244421.

It is a junction number, because it is equal to n+sod(n) for n = 124442421199 and 124442421208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2546228 + ... + 2594640.

It is an arithmetic number, because the mean of its divisors is an integer number (3411734580).

Almost surely, 2^124442421242 is an apocalyptic number.

124442421242 is a deficient number, since it is larger than the sum of its proper divisors (93908591878).

124442421242 is a wasteful number, since it uses less digits than its factorization.

124442421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48647.

The product of its digits is 32768, while the sum is 32.

Adding to 124442421242 its reverse (242124244421), we get a palindrome (366566665663).

The spelling of 124442421242 in words is "one hundred twenty-four billion, four hundred forty-two million, four hundred twenty-one thousand, two hundred forty-two".