1044021219 has 4 divisors (see below), whose sum is σ = 1392028296. Its totient is φ = 696014144.

The previous prime is 1044021217. The next prime is 1044021229. The reversal of 1044021219 is 9121204401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1044021219 - 2¹ = 1044021217 is a prime.

It is a super-2 number, since 2×1044021219² = 2179960611444491922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1044021211) 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, 174003534 + ... + 174003539.

It is an arithmetic number, because the mean of its divisors is an integer number (348007074).

Almost surely, 2^1044021219 is an apocalyptic number.

1044021219 is a deficient number, since it is larger than the sum of its proper divisors (348007077).

1044021219 is an equidigital number, since it uses as much as digits as its factorization.

1044021219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348007076.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1044021219 is about 32311.3171969203. The cubic root of 1044021219 is about 1014.4635371971.

The spelling of 1044021219 in words is "one billion, forty-four million, twenty-one thousand, two hundred nineteen".