1112243003 has 16 divisors (see below), whose sum is σ = 1220184000. Its totient is φ = 1009139712.

The previous prime is 1112242987. The next prime is 1112243029. The reversal of 1112243003 is 3003422111.

It is a cyclic number.

It is not a de Polignac number, because 1112243003 - 2⁴ = 1112242987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112243063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412283 + ... + 414971.

It is an arithmetic number, because the mean of its divisors is an integer number (76261500).

Almost surely, 2^1112243003 is an apocalyptic number.

1112243003 is a deficient number, since it is larger than the sum of its proper divisors (107940997).

1112243003 is a wasteful number, since it uses less digits than its factorization.

1112243003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1112243003 is about 33350.3073898877. The cubic root of 1112243003 is about 1036.0957544182.

Adding to 1112243003 its reverse (3003422111), we get a palindrome (4115665114).

The spelling of 1112243003 in words is "one billion, one hundred twelve million, two hundred forty-three thousand, three".