1048321 has 8 divisors (see below), whose sum is σ = 1114920. Its totient is φ = 983808.

The previous prime is 1048309. The next prime is 1048343. The reversal of 1048321 is 1238401.

It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 408321 = 800^2 + 639^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1048321 - 2⁷ = 1048193 is a prime.

It is an Ulam number.

It is a Duffinian number.

1048321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1048361) 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, 585 + ... + 1561.

It is an arithmetic number, because the mean of its divisors is an integer number (139365).

2^1048321 is an apocalyptic number.

It is an amenable number.

1048321 is a deficient number, since it is larger than the sum of its proper divisors (66599).

1048321 is an equidigital number, since it uses as much as digits as its factorization.

1048321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1048321 is about 1023.8754807104. The cubic root of 1048321 is about 101.5854312402.

It can be divided in two parts, 1048 and 321, that added together give a square (1369 = 37²).

The spelling of 1048321 in words is "one million, forty-eight thousand, three hundred twenty-one".