1083321 has 8 divisors (see below), whose sum is σ = 1604960. Its totient is φ = 722196.

The previous prime is 1083319. The next prime is 1083337. The reversal of 1083321 is 1233801.

It is not a de Polignac number, because 1083321 - 2¹ = 1083319 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1083294 and 1083303.

It is not an unprimeable number, because it can be changed into a prime (1083301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20035 + ... + 20088.

It is an arithmetic number, because the mean of its divisors is an integer number (200620).

2^1083321 is an apocalyptic number.

It is an amenable number.

1083321 is a deficient number, since it is larger than the sum of its proper divisors (521639).

1083321 is an equidigital number, since it uses as much as digits as its factorization.

1083321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40132 (or 40126 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1083321 is about 1040.8270749745. The cubic root of 1083321 is about 102.7036127125.

The spelling of 1083321 in words is "one million, eighty-three thousand, three hundred twenty-one".