1112434217 has 2 divisors, whose sum is σ = 1112434218. Its totient is φ = 1112434216.

The previous prime is 1112434189. The next prime is 1112434231. The reversal of 1112434217 is 7124342111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1110955561 + 1478656 = 33331^2 + 1216^2 .

It is an emirp because it is prime and its reverse (7124342111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1112434217 - 2⁸ = 1112433961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1112434237) 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 as a sum of consecutive naturals, namely, 556217108 + 556217109.

It is an arithmetic number, because the mean of its divisors is an integer number (556217109).

Almost surely, 2^1112434217 is an apocalyptic number.

It is an amenable number.

1112434217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112434217 is an equidigital number, since it uses as much as digits as its factorization.

1112434217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 26.

The square root of 1112434217 is about 33353.1740168758. The cubic root of 1112434217 is about 1036.1551253353.

Adding to 1112434217 its reverse (7124342111), we get a palindrome (8236776328).

The spelling of 1112434217 in words is "one billion, one hundred twelve million, four hundred thirty-four thousand, two hundred seventeen".