1322089 has 2 divisors, whose sum is σ = 1322090. Its totient is φ = 1322088.

The previous prime is 1322033. The next prime is 1322117. The reversal of 1322089 is 9802231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 166464 = 1075^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1322089 - 2⁷ = 1321961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661044 + 661045.

It is an arithmetic number, because the mean of its divisors is an integer number (661045).

2^1322089 is an apocalyptic number.

It is an amenable number.

1322089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322089 is an equidigital number, since it uses as much as digits as its factorization.

1322089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1322089 is about 1149.8212904621. The cubic root of 1322089 is about 109.7539680281.

The spelling of 1322089 in words is "one million, three hundred twenty-two thousand, eighty-nine".