1112530043 has 4 divisors (see below), whose sum is σ = 1115064720. Its totient is φ = 1109995368.

The previous prime is 1112529991. The next prime is 1112530051. The reversal of 1112530043 is 3400352111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112530043 - 2⁸ = 1112529787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112529997 and 1112530024.

It is not an unprimeable number, because it can be changed into a prime (1112530073) 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, 1266680 + ... + 1267557.

It is an arithmetic number, because the mean of its divisors is an integer number (278766180).

Almost surely, 2^1112530043 is an apocalyptic number.

1112530043 is a deficient number, since it is larger than the sum of its proper divisors (2534677).

1112530043 is an equidigital number, since it uses as much as digits as its factorization.

1112530043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2534676.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1112530043 is about 33354.6105208860. The cubic root of 1112530043 is about 1036.1848762332.

Adding to 1112530043 its reverse (3400352111), we get a palindrome (4512882154).

The spelling of 1112530043 in words is "one billion, one hundred twelve million, five hundred thirty thousand, forty-three".