1112402543 has 16 divisors (see below), whose sum is σ = 1330323456. Its totient is φ = 910077120.

The previous prime is 1112402513. The next prime is 1112402549. The reversal of 1112402543 is 3452042111.

It is a cyclic number.

It is not a de Polignac number, because 1112402543 - 2¹⁰ = 1112401519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112402549) 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, 19271 + ... + 50952.

It is an arithmetic number, because the mean of its divisors is an integer number (83145216).

Almost surely, 2^1112402543 is an apocalyptic number.

1112402543 is a deficient number, since it is larger than the sum of its proper divisors (217920913).

1112402543 is an equidigital number, since it uses as much as digits as its factorization.

1112402543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70334.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1112402543 is about 33352.6991861229. The cubic root of 1112402543 is about 1036.1452911991.

Adding to 1112402543 its reverse (3452042111), we get a palindrome (4564444654).

The spelling of 1112402543 in words is "one billion, one hundred twelve million, four hundred two thousand, five hundred forty-three".