1112127217 has 2 divisors, whose sum is σ = 1112127218. Its totient is φ = 1112127216.

The previous prime is 1112127101. The next prime is 1112127223. The reversal of 1112127217 is 7127212111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1094352561 + 17774656 = 33081^2 + 4216^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112127217 - 2¹⁵ = 1112094449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112127191 and 1112127200.

It is not a weakly prime, because it can be changed into another prime (1112127227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556063608 + 556063609.

It is an arithmetic number, because the mean of its divisors is an integer number (556063609).

Almost surely, 2^1112127217 is an apocalyptic number.

It is an amenable number.

1112127217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112127217 is an equidigital number, since it uses as much as digits as its factorization.

1112127217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 392, while the sum is 25.

The square root of 1112127217 is about 33348.5714386689. The cubic root of 1112127217 is about 1036.0598001811.

Adding to 1112127217 its reverse (7127212111), we get a palindrome (8239339328).

The spelling of 1112127217 in words is "one billion, one hundred twelve million, one hundred twenty-seven thousand, two hundred seventeen".