1271167 has 2 divisors, whose sum is σ = 1271168. Its totient is φ = 1271166.

The previous prime is 1271161. The next prime is 1271173. The reversal of 1271167 is 7611721.

It is a balanced prime because it is at equal distance from previous prime (1271161) and next prime (1271173).

It is a cyclic number.

It is not a de Polignac number, because 1271167 - 2¹¹ = 1269119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1271161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635583 + 635584.

It is an arithmetic number, because the mean of its divisors is an integer number (635584).

2^1271167 is an apocalyptic number.

1271167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1271167 is an equidigital number, since it uses as much as digits as its factorization.

1271167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 588, while the sum is 25.

The square root of 1271167 is about 1127.4604205913. The cubic root of 1271167 is about 108.3263732544.

Adding to 1271167 its reverse (7611721), we get a palindrome (8882888).

The spelling of 1271167 in words is "one million, two hundred seventy-one thousand, one hundred sixty-seven".