112003999 has 4 divisors (see below), whose sum is σ = 114117336. Its totient is φ = 109890664.

The previous prime is 112003933. The next prime is 112004021. The reversal of 112003999 is 999300211.

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 112003999 - 2¹¹ = 112001951 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 (112004999) 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, 1056589 + ... + 1056694.

It is an arithmetic number, because the mean of its divisors is an integer number (28529334).

Almost surely, 2^112003999 is an apocalyptic number.

112003999 is a deficient number, since it is larger than the sum of its proper divisors (2113337).

112003999 is an equidigital number, since it uses as much as digits as its factorization.

112003999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113336.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 112003999 is about 10583.1941775628. The cubic root of 112003999 is about 482.0341897661.

The spelling of 112003999 in words is "one hundred twelve million, three thousand, nine hundred ninety-nine".