112643369 has 2 divisors, whose sum is σ = 112643370. Its totient is φ = 112643368.

The previous prime is 112643341. The next prime is 112643371. The reversal of 112643369 is 963346211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111619225 + 1024144 = 10565^2 + 1012^2 .

It is a cyclic number.

It is not a de Polignac number, because 112643369 - 2²⁰ = 111594793 is a prime.

It is a super-2 number, since 2×112643369² = 25377057159340322, which contains 22 as substring.

Together with 112643371, 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 (112645369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56321684 + 56321685.

It is an arithmetic number, because the mean of its divisors is an integer number (56321685).

Almost surely, 2^112643369 is an apocalyptic number.

It is an amenable number.

112643369 is a deficient number, since it is larger than the sum of its proper divisors (1).

112643369 is an equidigital number, since it uses as much as digits as its factorization.

112643369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 112643369 is about 10613.3580454067. The cubic root of 112643369 is about 482.9496737669.

The spelling of 112643369 in words is "one hundred twelve million, six hundred forty-three thousand, three hundred sixty-nine".