112003 has 4 divisors (see below), whose sum is σ = 115648.
Its totient is φ = 108360.
The previous prime is 111997. The next prime is 112019. The reversal of 112003 is 300211.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300211 = 83 ⋅3617.
It is a cyclic number.
It is not a de Polignac number, because 112003 - 29 = 111491 is a prime.
It is a Duffinian number.
112003 is a lucky number.
It is not an unprimeable number, because it can be changed into a prime (112103) 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, 1776 + ... + 1837.
It is an arithmetic number, because the mean of its divisors is an integer number (28912).
2112003 is an apocalyptic number.
112003 is a deficient number, since it is larger than the sum of its proper divisors (3645).
112003 is an equidigital number, since it uses as much as digits as its factorization.
112003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3644.
The product of its (nonzero) digits is 6, while the sum is 7.
The square root of 112003 is about 334.6684926909.
The cubic root of 112003 is about 48.2032756622.
Adding to 112003 its reverse (300211), we get a palindrome (412214).
The spelling of 112003 in words is "one hundred twelve thousand, three", and thus it is an iban number.