1112421017 has 2 divisors, whose sum is σ = 1112421018. Its totient is φ = 1112421016.

The previous prime is 1112421001. The next prime is 1112421043. The reversal of 1112421017 is 7101242111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969761881 + 142659136 = 31141^2 + 11944^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112421017 - 2⁴ = 1112421001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112421017.

It is not a weakly prime, because it can be changed into another prime (1112421617) 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, 556210508 + 556210509.

It is an arithmetic number, because the mean of its divisors is an integer number (556210509).

Almost surely, 2^1112421017 is an apocalyptic number.

It is an amenable number.

1112421017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112421017 is an equidigital number, since it uses as much as digits as its factorization.

1112421017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1112421017 is about 33352.9761340724. The cubic root of 1112421017 is about 1036.1510270251.

Adding to 1112421017 its reverse (7101242111), we get a palindrome (8213663128).

The spelling of 1112421017 in words is "one billion, one hundred twelve million, four hundred twenty-one thousand, seventeen".