1260226571 has 2 divisors, whose sum is σ = 1260226572. Its totient is φ = 1260226570.

The previous prime is 1260226543. The next prime is 1260226577. The reversal of 1260226571 is 1756220621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260226571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1260226577) 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, 630113285 + 630113286.

It is an arithmetic number, because the mean of its divisors is an integer number (630113286).

Almost surely, 2^1260226571 is an apocalyptic number.

1260226571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260226571 is an equidigital number, since it uses as much as digits as its factorization.

1260226571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1260226571 is about 35499.6700125508. The cubic root of 1260226571 is about 1080.1470338796.

The spelling of 1260226571 in words is "one billion, two hundred sixty million, two hundred twenty-six thousand, five hundred seventy-one".