1044721 has 8 divisors (see below), whose sum is σ = 1086624. Its totient is φ = 1003680.

The previous prime is 1044697. The next prime is 1044727. The reversal of 1044721 is 1274401.

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

It is not a de Polignac number, because 1044721 - 2⁵ = 1044689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1044727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3250 + ... + 3556.

It is an arithmetic number, because the mean of its divisors is an integer number (135828).

2^1044721 is an apocalyptic number.

It is an amenable number.

1044721 is a deficient number, since it is larger than the sum of its proper divisors (41903).

1044721 is an equidigital number, since it uses as much as digits as its factorization.

1044721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 1044721 is about 1022.1159425427. The cubic root of 1044721 is about 101.4690142987.

The spelling of 1044721 in words is "one million, forty-four thousand, seven hundred twenty-one".