1044331421 has 8 divisors (see below), whose sum is σ = 1196114304. Its totient is φ = 893196720.

The previous prime is 1044331381. The next prime is 1044331427. The reversal of 1044331421 is 1241334401.

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

It is not a de Polignac number, because 1044331421 - 2¹⁴ = 1044315037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1044331427) 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, 158585 + ... + 165038.

It is an arithmetic number, because the mean of its divisors is an integer number (149514288).

Almost surely, 2^1044331421 is an apocalyptic number.

It is an amenable number.

1044331421 is a deficient number, since it is larger than the sum of its proper divisors (151782883).

1044331421 is an equidigital number, since it uses as much as digits as its factorization.

1044331421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324091.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1044331421 is about 32316.1170470711. The cubic root of 1044331421 is about 1014.5640004989.

Adding to 1044331421 its reverse (1241334401), we get a palindrome (2285665822).

The spelling of 1044331421 in words is "one billion, forty-four million, three hundred thirty-one thousand, four hundred twenty-one".