1112403 has 4 divisors (see below), whose sum is σ = 1483208. Its totient is φ = 741600.

The previous prime is 1112389. The next prime is 1112413. The reversal of 1112403 is 3042111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3042111 = 3 ⋅1014037.

It is not a de Polignac number, because 1112403 - 2⁶ = 1112339 is a prime.

It is a D-number.

It is a Duffinian number.

1112403 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1112413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185398 + ... + 185403.

It is an arithmetic number, because the mean of its divisors is an integer number (370802).

2^1112403 is an apocalyptic number.

1112403 is a deficient number, since it is larger than the sum of its proper divisors (370805).

1112403 is an equidigital number, since it uses as much as digits as its factorization.

1112403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370804.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1112403 is about 1054.7051720742. The cubic root of 1112403 is about 103.6145433090.

Adding to 1112403 its reverse (3042111), we get a palindrome (4154514).

The spelling of 1112403 in words is "one million, one hundred twelve thousand, four hundred three".