1082209 has 2 divisors, whose sum is σ = 1082210. Its totient is φ = 1082208.

The previous prime is 1082197. The next prime is 1082231. The reversal of 1082209 is 9022801.

It is an a-pointer prime, because the next prime (1082231) can be obtained adding 1082209 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 51984 = 1015^2 + 228^2 .

It is a cyclic number.

It is not a de Polignac number, because 1082209 - 2⁵ = 1082177 is a prime.

It is equal to p₈₄₄₄₂ and since 1082209 and 84442 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1082209.

It is not a weakly prime, because it can be changed into another prime (1088209) 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 as a sum of consecutive naturals, namely, 541104 + 541105.

It is an arithmetic number, because the mean of its divisors is an integer number (541105).

2^1082209 is an apocalyptic number.

It is an amenable number.

1082209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082209 is an equidigital number, since it uses as much as digits as its factorization.

1082209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1082209 is about 1040.2927472592. The cubic root of 1082209 is about 102.6684598457.

The spelling of 1082209 in words is "one million, eighty-two thousand, two hundred nine".