112503 has 4 divisors (see below), whose sum is σ = 150008. Its totient is φ = 75000.

The previous prime is 112501. The next prime is 112507. The reversal of 112503 is 305211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305211 = 3 ⋅101737.

It is not a de Polignac number, because 112503 - 2¹ = 112501 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 8 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18748 + ... + 18753.

It is an arithmetic number, because the mean of its divisors is an integer number (37502).

2¹¹²⁵⁰³ is an apocalyptic number.

112503 is a deficient number, since it is larger than the sum of its proper divisors (37505).

112503 is an equidigital number, since it uses as much as digits as its factorization.

112503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37504.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 112503 is about 335.4146687311. The cubic root of 112503 is about 48.2748983329.

Adding to 112503 its reverse (305211), we get a palindrome (417714).

The spelling of 112503 in words is "one hundred twelve thousand, five hundred three".