12105167 has 2 divisors, whose sum is σ = 12105168. Its totient is φ = 12105166.

The previous prime is 12105143. The next prime is 12105193. The reversal of 12105167 is 76150121.

It is a weak prime.

It is an emirp because it is prime and its reverse (76150121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12105167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12107167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052583 + 6052584.

It is an arithmetic number, because the mean of its divisors is an integer number (6052584).

Almost surely, 2^12105167 is an apocalyptic number.

12105167 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105167 is an equidigital number, since it uses as much as digits as its factorization.

12105167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 12105167 is about 3479.2480509443. The cubic root of 12105167 is about 229.6097161792.

Adding to 12105167 its reverse (76150121), we get a palindrome (88255288).

The spelling of 12105167 in words is "twelve million, one hundred five thousand, one hundred sixty-seven".