1301560391 has 2 divisors, whose sum is σ = 1301560392. Its totient is φ = 1301560390.

The previous prime is 1301560361. The next prime is 1301560399. The reversal of 1301560391 is 1930651031.

It is a strong prime.

It is an emirp because it is prime and its reverse (1930651031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1301560391 - 2¹⁰ = 1301559367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1301560399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650780195 + 650780196.

It is an arithmetic number, because the mean of its divisors is an integer number (650780196).

Almost surely, 2^1301560391 is an apocalyptic number.

1301560391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1301560391 is an equidigital number, since it uses as much as digits as its factorization.

1301560391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 1301560391 is about 36077.1449951351. The cubic root of 1301560391 is about 1091.8293750395.

The spelling of 1301560391 in words is "one billion, three hundred one million, five hundred sixty thousand, three hundred ninety-one".