1121366717 has 2 divisors, whose sum is σ = 1121366718. Its totient is φ = 1121366716.

The previous prime is 1121366677. The next prime is 1121366731. The reversal of 1121366717 is 7176631211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 971818276 + 149548441 = 31174^2 + 12229^2 .

It is an emirp because it is prime and its reverse (7176631211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121366717 - 2¹² = 1121362621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121366737) 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, 560683358 + 560683359.

It is an arithmetic number, because the mean of its divisors is an integer number (560683359).

Almost surely, 2^1121366717 is an apocalyptic number.

It is an amenable number.

1121366717 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121366717 is an equidigital number, since it uses as much as digits as its factorization.

1121366717 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 35.

The square root of 1121366717 is about 33486.8140765884. The cubic root of 1121366717 is about 1038.9210694933.

Adding to 1121366717 its reverse (7176631211), we get a palindrome (8297997928).

The spelling of 1121366717 in words is "one billion, one hundred twenty-one million, three hundred sixty-six thousand, seven hundred seventeen".