1301002271 has 2 divisors, whose sum is σ = 1301002272. Its totient is φ = 1301002270.

The previous prime is 1301002247. The next prime is 1301002349. The reversal of 1301002271 is 1722001031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1301002271 - 2¹⁴ = 1300985887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301002211) 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, 650501135 + 650501136.

It is an arithmetic number, because the mean of its divisors is an integer number (650501136).

Almost surely, 2^1301002271 is an apocalyptic number.

1301002271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301002271 is an equidigital number, since it uses as much as digits as its factorization.

1301002271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 1301002271 is about 36069.4090747270. The cubic root of 1301002271 is about 1091.6732908662.

The spelling of 1301002271 in words is "one billion, three hundred one million, two thousand, two hundred seventy-one".