1092089 has 2 divisors, whose sum is σ = 1092090. Its totient is φ = 1092088.

The previous prime is 1092067. The next prime is 1092103. The reversal of 1092089 is 9802901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092025 + 64 = 1045^2 + 8^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1092089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (1092019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546044 + 546045.

It is an arithmetic number, because the mean of its divisors is an integer number (546045).

2^1092089 is an apocalyptic number.

It is an amenable number.

1092089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092089 is an equidigital number, since it uses as much as digits as its factorization.

1092089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1092089 is about 1045.0306215609. The cubic root of 1092089 is about 102.9799502244.

The spelling of 1092089 in words is "one million, ninety-two thousand, eighty-nine".