104040169 has 2 divisors, whose sum is σ = 104040170. Its totient is φ = 104040168.

The previous prime is 104040161. The next prime is 104040191. The reversal of 104040169 is 961040401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104040000 + 169 = 10200^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 104040169 - 2³ = 104040161 is a prime.

It is a super-2 number, since 2×104040169² = 21648713531097122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104040161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52020084 + 52020085.

It is an arithmetic number, because the mean of its divisors is an integer number (52020085).

Almost surely, 2^104040169 is an apocalyptic number.

It is an amenable number.

104040169 is a deficient number, since it is larger than the sum of its proper divisors (1).

104040169 is an equidigital number, since it uses as much as digits as its factorization.

104040169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 104040169 is about 10200.0082843104. The cubic root of 104040169 is about 470.3274751117.

It can be divided in two parts, 1040 and 40169, that added together give a square (41209 = 203²).

The spelling of 104040169 in words is "one hundred four million, forty thousand, one hundred sixty-nine".