1090097 has 2 divisors, whose sum is σ = 1090098. Its totient is φ = 1090096.

The previous prime is 1090031. The next prime is 1090099. The reversal of 1090097 is 7900901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 929296 + 160801 = 964^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 1090097 - 2⁸ = 1089841 is a prime.

It is a super-2 number, since 2×1090097² = 2376622938818, which contains 22 as substring.

Together with 1090099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1090099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545048 + 545049.

It is an arithmetic number, because the mean of its divisors is an integer number (545049).

2^1090097 is an apocalyptic number.

It is an amenable number.

1090097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090097 is an equidigital number, since it uses as much as digits as its factorization.

1090097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 26.

The square root of 1090097 is about 1044.0771044324. The cubic root of 1090097 is about 102.9172993745.

Adding to 1090097 its reverse (7900901), we get a palindrome (8990998).

The spelling of 1090097 in words is "one million, ninety thousand, ninety-seven".