1112506243 has 4 divisors (see below), whose sum is σ = 1113681960. Its totient is φ = 1111330528.

The previous prime is 1112506147. The next prime is 1112506261. The reversal of 1112506243 is 3426052111.

It is a happy number.

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 1112506243 - 2⁹ = 1112505731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112506273) 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 3 ways as a sum of consecutive naturals, for example, 586438 + ... + 588331.

It is an arithmetic number, because the mean of its divisors is an integer number (278420490).

Almost surely, 2^1112506243 is an apocalyptic number.

1112506243 is a deficient number, since it is larger than the sum of its proper divisors (1175717).

1112506243 is an equidigital number, since it uses as much as digits as its factorization.

1112506243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175716.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1112506243 is about 33354.2537467112. The cubic root of 1112506243 is about 1036.1774872564.

Adding to 1112506243 its reverse (3426052111), we get a palindrome (4538558354).

The spelling of 1112506243 in words is "one billion, one hundred twelve million, five hundred six thousand, two hundred forty-three".