1044020361 has 4 divisors (see below), whose sum is σ = 1392027152. Its totient is φ = 696013572.

The previous prime is 1044020359. The next prime is 1044020381. The reversal of 1044020361 is 1630204401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1044020361 - 2¹ = 1044020359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174003391 + ... + 174003396.

It is an arithmetic number, because the mean of its divisors is an integer number (348006788).

Almost surely, 2^1044020361 is an apocalyptic number.

It is an amenable number.

1044020361 is a deficient number, since it is larger than the sum of its proper divisors (348006791).

1044020361 is an equidigital number, since it uses as much as digits as its factorization.

1044020361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348006790.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1044020361 is about 32311.3039198359. The cubic root of 1044020361 is about 1014.4632592941.

Adding to 1044020361 its reverse (1630204401), we get a palindrome (2674224762).

The spelling of 1044020361 in words is "one billion, forty-four million, twenty thousand, three hundred sixty-one".