1260226171 has 2 divisors, whose sum is σ = 1260226172. Its totient is φ = 1260226170.

The previous prime is 1260226111. The next prime is 1260226199. The reversal of 1260226171 is 1716220621.

It is an a-pointer prime, because the next prime (1260226199) can be obtained adding 1260226171 to its sum of digits (28).

It is a strong prime.

It is an emirp because it is prime and its reverse (1716220621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1260226171 - 2²³ = 1251837563 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260226111) 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, 630113085 + 630113086.

It is an arithmetic number, because the mean of its divisors is an integer number (630113086).

Almost surely, 2^1260226171 is an apocalyptic number.

1260226171 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260226171 is an equidigital number, since it uses as much as digits as its factorization.

1260226171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1260226171 is about 35499.6643786952. The cubic root of 1260226171 is about 1080.1469195988.

Adding to 1260226171 its reverse (1716220621), we get a palindrome (2976446792).

The spelling of 1260226171 in words is "one billion, two hundred sixty million, two hundred twenty-six thousand, one hundred seventy-one".