1112500243 has 4 divisors (see below), whose sum is σ = 1117772968. Its totient is φ = 1107227520.

The previous prime is 1112500241. The next prime is 1112500297. The reversal of 1112500243 is 3420052111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3420052111 = 7 ⋅488578873.

It is a cyclic number.

It is not a de Polignac number, because 1112500243 - 2¹ = 1112500241 is a prime.

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 1112500243.

It is not an unprimeable number, because it can be changed into a prime (1112500241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636046 + ... + 2636467.

It is an arithmetic number, because the mean of its divisors is an integer number (279443242).

Almost surely, 2^1112500243 is an apocalyptic number.

1112500243 is a deficient number, since it is larger than the sum of its proper divisors (5272725).

1112500243 is an equidigital number, since it uses as much as digits as its factorization.

1112500243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5272724.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1112500243 is about 33354.1638030396. The cubic root of 1112500243 is about 1036.1756244725.

Adding to 1112500243 its reverse (3420052111), we get a palindrome (4532552354).

The spelling of 1112500243 in words is "one billion, one hundred twelve million, five hundred thousand, two hundred forty-three".