1082921 has 8 divisors (see below), whose sum is σ = 1256640. Its totient is φ = 913968.

The previous prime is 1082911. The next prime is 1082969. The reversal of 1082921 is 1292801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1082921 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1082911) 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, 686 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (157080).

2^1082921 is an apocalyptic number.

It is an amenable number.

1082921 is a deficient number, since it is larger than the sum of its proper divisors (173719).

1082921 is an equidigital number, since it uses as much as digits as its factorization.

1082921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1082921 is about 1040.6349023553. The cubic root of 1082921 is about 102.6909705678.

The spelling of 1082921 in words is "one million, eighty-two thousand, nine hundred twenty-one".