1271359 has 2 divisors, whose sum is σ = 1271360. Its totient is φ = 1271358.

The previous prime is 1271353. The next prime is 1271383. The reversal of 1271359 is 9531721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1271359 - 2³ = 1271351 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1271351) 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, 635679 + 635680.

It is an arithmetic number, because the mean of its divisors is an integer number (635680).

2^1271359 is an apocalyptic number.

1271359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271359 is an equidigital number, since it uses as much as digits as its factorization.

1271359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1890, while the sum is 28.

The square root of 1271359 is about 1127.5455644895. The cubic root of 1271359 is about 108.3318269350.

The spelling of 1271359 in words is "one million, two hundred seventy-one thousand, three hundred fifty-nine".