112123169 has 2 divisors, whose sum is σ = 112123170. Its totient is φ = 112123168.

The previous prime is 112123163. The next prime is 112123171. The reversal of 112123169 is 961321211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79210000 + 32913169 = 8900^2 + 5737^2 .

It is an emirp because it is prime and its reverse (961321211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112123169 is a prime.

It is a super-2 number, since 2×112123169² = 25143210053205122, which contains 22 as substring.

Together with 112123171, 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 (112123163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56061584 + 56061585.

It is an arithmetic number, because the mean of its divisors is an integer number (56061585).

Almost surely, 2^112123169 is an apocalyptic number.

It is an amenable number.

112123169 is a deficient number, since it is larger than the sum of its proper divisors (1).

112123169 is an equidigital number, since it uses as much as digits as its factorization.

112123169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 26.

The square root of 112123169 is about 10588.8228335354. The cubic root of 112123169 is about 482.2050873943.

The spelling of 112123169 in words is "one hundred twelve million, one hundred twenty-three thousand, one hundred sixty-nine".