1122718741 has 2 divisors, whose sum is σ = 1122718742. Its totient is φ = 1122718740.

The previous prime is 1122718717. The next prime is 1122718747. The reversal of 1122718741 is 1478172211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 756800100 + 365918641 = 27510^2 + 19129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122718741 - 2⁷ = 1122718613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122718697 and 1122718706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122718747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561359370 + 561359371.

It is an arithmetic number, because the mean of its divisors is an integer number (561359371).

Almost surely, 2^1122718741 is an apocalyptic number.

It is an amenable number.

1122718741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122718741 is an equidigital number, since it uses as much as digits as its factorization.

1122718741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 34.

The square root of 1122718741 is about 33506.9954039451. The cubic root of 1122718741 is about 1039.3384417506.

The spelling of 1122718741 in words is "one billion, one hundred twenty-two million, seven hundred eighteen thousand, seven hundred forty-one".