112751999 has 4 divisors (see below), whose sum is σ = 113805864. Its totient is φ = 111698136.

The previous prime is 112751993. The next prime is 112752037. The reversal of 112751999 is 999157211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112751999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112751993) 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, 526772 + ... + 526985.

It is an arithmetic number, because the mean of its divisors is an integer number (28451466).

Almost surely, 2^112751999 is an apocalyptic number.

112751999 is a deficient number, since it is larger than the sum of its proper divisors (1053865).

112751999 is a wasteful number, since it uses less digits than its factorization.

112751999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053864.

The product of its digits is 51030, while the sum is 44.

The square root of 112751999 is about 10618.4744196141. The cubic root of 112751999 is about 483.1048714437.

The spelling of 112751999 in words is "one hundred twelve million, seven hundred fifty-one thousand, nine hundred ninety-nine".