1044521 has 4 divisors (see below), whose sum is σ = 1051332. Its totient is φ = 1037712.

The previous prime is 1044517. The next prime is 1044529. The reversal of 1044521 is 1254401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1254401 = 433 ⋅2897.

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 912025 = 364^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044521 - 2² = 1044517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044521.

It is not an unprimeable number, because it can be changed into a prime (1044529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3170 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (262833).

2^1044521 is an apocalyptic number.

It is an amenable number.

1044521 is a deficient number, since it is larger than the sum of its proper divisors (6811).

1044521 is an equidigital number, since it uses as much as digits as its factorization.

1044521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6810.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1044521 is about 1022.0181016009. The cubic root of 1044521 is about 101.4625388543.

Adding to 1044521 its reverse (1254401), we get a palindrome (2298922).

The spelling of 1044521 in words is "one million, forty-four thousand, five hundred twenty-one".