1044421142 has 4 divisors (see below), whose sum is σ = 1566631716. Its totient is φ = 522210570.

The previous prime is 1044421117. The next prime is 1044421177. The reversal of 1044421142 is 2411244401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2411244401 = 5849 ⋅412249.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261105284 + ... + 261105287.

It is an arithmetic number, because the mean of its divisors is an integer number (391657929).

Almost surely, 2^1044421142 is an apocalyptic number.

1044421142 is a deficient number, since it is larger than the sum of its proper divisors (522210574).

1044421142 is an equidigital number, since it uses as much as digits as its factorization.

1044421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522210573.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 1044421142 is about 32317.5051945536. The cubic root of 1044421142 is about 1014.5930542035.

Adding to 1044421142 its reverse (2411244401), we get a palindrome (3455665543).

The spelling of 1044421142 in words is "one billion, forty-four million, four hundred twenty-one thousand, one hundred forty-two".