1301320571 has 2 divisors, whose sum is σ = 1301320572. Its totient is φ = 1301320570.

The previous prime is 1301320561. The next prime is 1301320577. The reversal of 1301320571 is 1750231031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1301320571 - 2¹⁴ = 1301304187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1301320577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650660285 + 650660286.

It is an arithmetic number, because the mean of its divisors is an integer number (650660286).

Almost surely, 2^1301320571 is an apocalyptic number.

1301320571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301320571 is an equidigital number, since it uses as much as digits as its factorization.

1301320571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1301320571 is about 36073.8211311194. The cubic root of 1301320571 is about 1091.7623123030.

The spelling of 1301320571 in words is "one billion, three hundred one million, three hundred twenty thousand, five hundred seventy-one".