1108169 has 2 divisors, whose sum is σ = 1108170. Its totient is φ = 1108168.

The previous prime is 1108147. The next prime is 1108171. The reversal of 1108169 is 9618011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081600 + 26569 = 1040^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 1108169 - 2⁸ = 1107913 is a prime.

It is a super-2 number, since 2×1108169² = 2456077065122, which contains 22 as substring.

Together with 1108171, 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 (1108069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554084 + 554085.

It is an arithmetic number, because the mean of its divisors is an integer number (554085).

2^1108169 is an apocalyptic number.

It is an amenable number.

1108169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108169 is an equidigital number, since it uses as much as digits as its factorization.

1108169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1108169 is about 1052.6960624986. The cubic root of 1108169 is about 103.4829178246.

The spelling of 1108169 in words is "one million, one hundred eight thousand, one hundred sixty-nine".