1271367 has 6 divisors (see below), whose sum is σ = 1836432. Its totient is φ = 847572.

The previous prime is 1271359. The next prime is 1271383. The reversal of 1271367 is 7631721.

It is not a de Polignac number, because 1271367 - 2³ = 1271359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1271367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70623 + ... + 70640.

It is an arithmetic number, because the mean of its divisors is an integer number (306072).

2^1271367 is an apocalyptic number.

1271367 is a deficient number, since it is larger than the sum of its proper divisors (565065).

1271367 is a wasteful number, since it uses less digits than its factorization.

1271367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141269 (or 141266 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 1271367 is about 1127.5491120124. The cubic root of 1271367 is about 108.3320541598.

The spelling of 1271367 in words is "one million, two hundred seventy-one thousand, three hundred sixty-seven".