1224042042 has 16 divisors (see below), whose sum is σ = 2505016800. Its totient is φ = 398525232.

The previous prime is 1224042023. The next prime is 1224042047. The reversal of 1224042042 is 2402404221.

It is not an unprimeable number, because it can be changed into a prime (1224042047) 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, 2371917 + ... + 2372432.

It is an arithmetic number, because the mean of its divisors is an integer number (156563550).

Almost surely, 2^1224042042 is an apocalyptic number.

1224042042 is an abundant number, since it is smaller than the sum of its proper divisors (1280974758).

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

1224042042 is a wasteful number, since it uses less digits than its factorization.

1224042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4744397.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1224042042 is about 34986.3122092055. The cubic root of 1224042042 is about 1069.7084954305.

Adding to 1224042042 its reverse (2402404221), we get a palindrome (3626446263).

The spelling of 1224042042 in words is "one billion, two hundred twenty-four million, forty-two thousand, forty-two".