112197889 has 2 divisors, whose sum is σ = 112197890. Its totient is φ = 112197888.

The previous prime is 112197859. The next prime is 112197901. The reversal of 112197889 is 988791211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62283664 + 49914225 = 7892^2 + 7065^2 .

It is a cyclic number.

It is not a de Polignac number, because 112197889 - 2⁵ = 112197857 is a prime.

It is not a weakly prime, because it can be changed into another prime (112197809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56098944 + 56098945.

It is an arithmetic number, because the mean of its divisors is an integer number (56098945).

Almost surely, 2^112197889 is an apocalyptic number.

It is an amenable number.

112197889 is a deficient number, since it is larger than the sum of its proper divisors (1).

112197889 is an equidigital number, since it uses as much as digits as its factorization.

112197889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 46.

The square root of 112197889 is about 10592.3504945786. The cubic root of 112197889 is about 482.3121790381.

The spelling of 112197889 in words is "one hundred twelve million, one hundred ninety-seven thousand, eight hundred eighty-nine".