1112403243 has 12 divisors (see below), whose sum is σ = 1725360360. Its totient is φ = 635658912.

The previous prime is 1112403233. The next prime is 1112403263. The reversal of 1112403243 is 3423042111.

1112403243 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1112403243 - 2⁶ = 1112403179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1112403223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3783538 + ... + 3783831.

It is an arithmetic number, because the mean of its divisors is an integer number (143780030).

Almost surely, 2^1112403243 is an apocalyptic number.

1112403243 is a deficient number, since it is larger than the sum of its proper divisors (612957117).

1112403243 is an equidigital number, since it uses as much as digits as its factorization.

1112403243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567386 (or 7567379 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1112403243 is about 33352.7096800245. The cubic root of 1112403243 is about 1036.1455085370.

Adding to 1112403243 its reverse (3423042111), we get a palindrome (4535445354).

The spelling of 1112403243 in words is "one billion, one hundred twelve million, four hundred three thousand, two hundred forty-three".