1112134243 has 4 divisors (see below), whose sum is σ = 1213237368. Its totient is φ = 1011031120.

The previous prime is 1112134217. The next prime is 1112134267. The reversal of 1112134243 is 3424312111.

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

It is not a de Polignac number, because 1112134243 - 2⁵ = 1112134211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1112134043) 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, 50551546 + ... + 50551567.

It is an arithmetic number, because the mean of its divisors is an integer number (303309342).

Almost surely, 2^1112134243 is an apocalyptic number.

1112134243 is a deficient number, since it is larger than the sum of its proper divisors (101103125).

1112134243 is a wasteful number, since it uses less digits than its factorization.

1112134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101103124.

The product of its digits is 576, while the sum is 22.

The square root of 1112134243 is about 33348.6767803462. The cubic root of 1112134243 is about 1036.0619819881.

Adding to 1112134243 its reverse (3424312111), we get a palindrome (4536446354).

The spelling of 1112134243 in words is "one billion, one hundred twelve million, one hundred thirty-four thousand, two hundred forty-three".