1044232021 has 16 divisors (see below), whose sum is σ = 1265362560. Its totient is φ = 841236480.

The previous prime is 1044231997. The next prime is 1044232043. The reversal of 1044232021 is 1202324401.

It is not a de Polignac number, because 1044232021 - 2¹⁹ = 1043707733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1044232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044232061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85806 + ... + 97216.

It is an arithmetic number, because the mean of its divisors is an integer number (79085160).

Almost surely, 2^1044232021 is an apocalyptic number.

It is an amenable number.

1044232021 is a deficient number, since it is larger than the sum of its proper divisors (221130539).

1044232021 is a wasteful number, since it uses less digits than its factorization.

1044232021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12204.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1044232021 is about 32314.5790781808. The cubic root of 1044232021 is about 1014.5318105704.

Adding to 1044232021 its reverse (1202324401), we get a palindrome (2246556422).

The spelling of 1044232021 in words is "one billion, forty-four million, two hundred thirty-two thousand, twenty-one".