1044574921 has 8 divisors (see below), whose sum is σ = 1125845000. Its totient is φ = 963436032.

The previous prime is 1044574907. The next prime is 1044574931. The reversal of 1044574921 is 1294754401.

It can be written as a sum of positive squares in 4 ways, for example, as 217149696 + 827425225 = 14736^2 + 28765^2 .

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

It is not a de Polignac number, because 1044574921 - 2²⁹ = 507704009 is a prime.

It is a super-2 number, since 2×1044574921² = 2182273531164312482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044574931) 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, 15930 + ... + 48403.

It is an arithmetic number, because the mean of its divisors is an integer number (140730625).

Almost surely, 2^1044574921 is an apocalyptic number.

It is an amenable number.

1044574921 is a deficient number, since it is larger than the sum of its proper divisors (81270079).

1044574921 is a wasteful number, since it uses less digits than its factorization.

1044574921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65595.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1044574921 is about 32319.8842974414. The cubic root of 1044574921 is about 1014.6428474788.

The spelling of 1044574921 in words is "one billion, forty-four million, five hundred seventy-four thousand, nine hundred twenty-one".