109169 has 2 divisors, whose sum is σ = 109170. Its totient is φ = 109168.

The previous prime is 109159. The next prime is 109171. The reversal of 109169 is 961901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69169 + 40000 = 263^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 109169 - 2¹⁶ = 43633 is a prime.

It is a super-2 number, since 2×109169² = 23835741122, which contains 22 as substring.

Together with 109171, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109169.

It is not a weakly prime, because it can be changed into another prime (109139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54584 + 54585.

It is an arithmetic number, because the mean of its divisors is an integer number (54585).

2¹⁰⁹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

109169 is a deficient number, since it is larger than the sum of its proper divisors (1).

109169 is an equidigital number, since it uses as much as digits as its factorization.

109169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 109169 is about 330.4073243740. The cubic root of 109169 is about 47.7932367899.

The spelling of 109169 in words is "one hundred nine thousand, one hundred sixty-nine".