1049321 has 12 divisors (see below), whose sum is σ = 1300032. Its totient is φ = 829296.

The previous prime is 1049297. The next prime is 1049333. The reversal of 1049321 is 1239401.

It is a de Polignac number, because none of the positive numbers 2^k-1049321 is a prime.

It is a super-2 number, since 2×1049321² = 2202149122082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1049293 and 1049302.

It is not an unprimeable number, because it can be changed into a prime (1049821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 740 + ... + 1626.

It is an arithmetic number, because the mean of its divisors is an integer number (108336).

2^1049321 is an apocalyptic number.

It is an amenable number.

1049321 is a deficient number, since it is larger than the sum of its proper divisors (250711).

1049321 is an equidigital number, since it uses as much as digits as its factorization.

1049321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1049321 is about 1024.3637049408. The cubic root of 1049321 is about 101.6177219690.

The spelling of 1049321 in words is "one million, forty-nine thousand, three hundred twenty-one".