1068321 has 8 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 698672.

The previous prime is 1068311. The next prime is 1068323. The reversal of 1068321 is 1238601.

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 1068321 - 2⁶ = 1068257 is a prime.

It is a super-2 number, since 2×1068321² = 2282619518082, which contains 22 as substring.

It is a Curzon number.

1068321 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1068323) 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 7 ways as a sum of consecutive naturals, for example, 3201 + ... + 3518.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^1068321 is an apocalyptic number.

It is an amenable number.

1068321 is a deficient number, since it is larger than the sum of its proper divisors (383199).

1068321 is an equidigital number, since it uses as much as digits as its factorization.

1068321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6775.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1068321 is about 1033.5961493736. The cubic root of 1068321 is about 102.2273858363.

The spelling of 1068321 in words is "one million, sixty-eight thousand, three hundred twenty-one".