112387999 has 4 divisors (see below), whose sum is σ = 112446936. Its totient is φ = 112329064.

The previous prime is 112387997. The next prime is 112388009. The reversal of 112387999 is 999783211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112387999 - 2¹ = 112387997 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112387997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26509 + ... + 30454.

It is an arithmetic number, because the mean of its divisors is an integer number (28111734).

Almost surely, 2^112387999 is an apocalyptic number.

112387999 is a deficient number, since it is larger than the sum of its proper divisors (58937).

112387999 is an equidigital number, since it uses as much as digits as its factorization.

112387999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58936.

The product of its digits is 244944, while the sum is 49.

The square root of 112387999 is about 10601.3206252806. The cubic root of 112387999 is about 482.5844379594.

The spelling of 112387999 in words is "one hundred twelve million, three hundred eighty-seven thousand, nine hundred ninety-nine".