1044421120 has 40 divisors (see below), whose sum is σ = 2504168964. Its totient is φ = 417767424.

The previous prime is 1044421117. The next prime is 1044421177. The reversal of 1044421120 is 211244401.

It can be written as a sum of positive squares in 2 ways, for example, as 990486784 + 53934336 = 31472^2 + 7344^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201429 + ... + 206548.

Almost surely, 2^1044421120 is an apocalyptic number.

1044421120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044421120 is an abundant number, since it is smaller than the sum of its proper divisors (1459747844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1044421120 is an frugal number, since it uses more digits than its factorization.

1044421120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408000 (or 407984 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1044421120 is about 32317.5048541808. The cubic root of 1044421120 is about 1014.5930470796.

Adding to 1044421120 its reverse (211244401), we get a palindrome (1255665521).

The spelling of 1044421120 in words is "one billion, forty-four million, four hundred twenty-one thousand, one hundred twenty".