112387997 has 2 divisors, whose sum is σ = 112387998. Its totient is φ = 112387996.

The previous prime is 112387987. The next prime is 112388009. The reversal of 112387997 is 799783211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92371321 + 20016676 = 9611^2 + 4474^2 .

It is an emirp because it is prime and its reverse (799783211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112387997 - 2¹⁰ = 112386973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112387937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56193998 + 56193999.

It is an arithmetic number, because the mean of its divisors is an integer number (56193999).

Almost surely, 2^112387997 is an apocalyptic number.

It is an amenable number.

112387997 is a deficient number, since it is larger than the sum of its proper divisors (1).

112387997 is an equidigital number, since it uses as much as digits as its factorization.

112387997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 47.

The square root of 112387997 is about 10601.3205309527. The cubic root of 112387997 is about 482.5844350968.

The spelling of 112387997 in words is "one hundred twelve million, three hundred eighty-seven thousand, nine hundred ninety-seven".