112685819 has 2 divisors, whose sum is σ = 112685820. Its totient is φ = 112685818.

The previous prime is 112685779. The next prime is 112685861. The reversal of 112685819 is 918586211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112685819 - 2²⁰ = 111637243 is a prime.

It is a super-2 number, since 2×112685819² = 25396187607401522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (112685879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56342909 + 56342910.

It is an arithmetic number, because the mean of its divisors is an integer number (56342910).

Almost surely, 2^112685819 is an apocalyptic number.

112685819 is a deficient number, since it is larger than the sum of its proper divisors (1).

112685819 is an equidigital number, since it uses as much as digits as its factorization.

112685819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 41.

The square root of 112685819 is about 10615.3576953393. The cubic root of 112685819 is about 483.0103331708.

The spelling of 112685819 in words is "one hundred twelve million, six hundred eighty-five thousand, eight hundred nineteen".