1264271 has 2 divisors, whose sum is σ = 1264272. Its totient is φ = 1264270.

The previous prime is 1264267. The next prime is 1264301. The reversal of 1264271 is 1724621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1264271 - 2² = 1264267 is a prime.

It is a super-2 number, since 2×1264271² = 3196762322882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1264231) 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 as a sum of consecutive naturals, namely, 632135 + 632136.

It is an arithmetic number, because the mean of its divisors is an integer number (632136).

2^1264271 is an apocalyptic number.

1264271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264271 is an equidigital number, since it uses as much as digits as its factorization.

1264271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 1264271 is about 1124.3980611865. The cubic root of 1264271 is about 108.1301300650.

Adding to 1264271 its reverse (1724621), we get a palindrome (2988892).

The spelling of 1264271 in words is "one million, two hundred sixty-four thousand, two hundred seventy-one".