1112242123 has 2 divisors, whose sum is σ = 1112242124. Its totient is φ = 1112242122.

The previous prime is 1112242111. The next prime is 1112242127. The reversal of 1112242123 is 3212422111.

It is a strong prime.

It is an emirp because it is prime and its reverse (3212422111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112242123 - 2⁵ = 1112242091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112242123.

It is not a weakly prime, because it can be changed into another prime (1112242127) 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 as a sum of consecutive naturals, namely, 556121061 + 556121062.

It is an arithmetic number, because the mean of its divisors is an integer number (556121062).

Almost surely, 2^1112242123 is an apocalyptic number.

1112242123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112242123 is an equidigital number, since it uses as much as digits as its factorization.

1112242123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 19.

The square root of 1112242123 is about 33350.2941966034. The cubic root of 1112242123 is about 1036.0954811672.

Adding to 1112242123 its reverse (3212422111), we get a palindrome (4324664234).

The spelling of 1112242123 in words is "one billion, one hundred twelve million, two hundred forty-two thousand, one hundred twenty-three".