1044123442 has 8 divisors (see below), whose sum is σ = 1658313756. Its totient is φ = 491352192.

The previous prime is 1044123419. The next prime is 1044123449. The reversal of 1044123442 is 2443214401.

It can be written as a sum of positive squares in 2 ways, for example, as 999887641 + 44235801 = 31621^2 + 6651^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1044123449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15354723 + ... + 15354790.

Almost surely, 2^1044123442 is an apocalyptic number.

1044123442 is a deficient number, since it is larger than the sum of its proper divisors (614190314).

1044123442 is a wasteful number, since it uses less digits than its factorization.

1044123442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30709532.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1044123442 is about 32312.8990033392. The cubic root of 1044123442 is about 1014.4966457585.

Adding to 1044123442 its reverse (2443214401), we get a palindrome (3487337843).

The spelling of 1044123442 in words is "one billion, forty-four million, one hundred twenty-three thousand, four hundred forty-two".