112019993 has 2 divisors, whose sum is σ = 112019994. Its totient is φ = 112019992.

The previous prime is 112019927. The next prime is 112020043. The reversal of 112019993 is 399910211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108826624 + 3193369 = 10432^2 + 1787^2 .

It is an emirp because it is prime and its reverse (399910211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112019993 - 2⁸ = 112019737 is a prime.

It is not a weakly prime, because it can be changed into another prime (112019903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56009996 + 56009997.

It is an arithmetic number, because the mean of its divisors is an integer number (56009997).

Almost surely, 2^112019993 is an apocalyptic number.

It is an amenable number.

112019993 is a deficient number, since it is larger than the sum of its proper divisors (1).

112019993 is an equidigital number, since it uses as much as digits as its factorization.

112019993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 112019993 is about 10583.9497825717. The cubic root of 112019993 is about 482.0571332561.

The spelling of 112019993 in words is "one hundred twelve million, nineteen thousand, nine hundred ninety-three".