1112340043 has 4 divisors (see below), whose sum is σ = 1113779808. Its totient is φ = 1110900280.

The previous prime is 1112340029. The next prime is 1112340071. The reversal of 1112340043 is 3400432111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112340043 is a prime.

It is a super-2 number, since 2×1112340043² = 2474600742522483698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112340043.

It is not an unprimeable number, because it can be changed into a prime (1112340013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 718723 + ... + 720268.

It is an arithmetic number, because the mean of its divisors is an integer number (278444952).

Almost surely, 2^1112340043 is an apocalyptic number.

1112340043 is a deficient number, since it is larger than the sum of its proper divisors (1439765).

1112340043 is an equidigital number, since it uses as much as digits as its factorization.

1112340043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439764.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1112340043 is about 33351.7622173102. The cubic root of 1112340043 is about 1036.1258856659.

Adding to 1112340043 its reverse (3400432111), we get a palindrome (4512772154).

The spelling of 1112340043 in words is "one billion, one hundred twelve million, three hundred forty thousand, forty-three".