1092257 has 2 divisors, whose sum is σ = 1092258. Its totient is φ = 1092256.

The previous prime is 1092251. The next prime is 1092269. The reversal of 1092257 is 7522901.

1092257 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1048576 + 43681 = 1024^2 + 209^2 .

It is an emirp because it is prime and its reverse (7522901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1092257 - 2⁴ = 1092241 is a prime.

It is not a weakly prime, because it can be changed into another prime (1092251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 546128 + 546129.

It is an arithmetic number, because the mean of its divisors is an integer number (546129).

2^1092257 is an apocalyptic number.

It is an amenable number.

1092257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1092257 is an equidigital number, since it uses as much as digits as its factorization.

1092257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1092257 is about 1045.1109988896. The cubic root of 1092257 is about 102.9852305464.

The spelling of 1092257 in words is "one million, ninety-two thousand, two hundred fifty-seven".