1227271 has 2 divisors, whose sum is σ = 1227272. Its totient is φ = 1227270.

The previous prime is 1227241. The next prime is 1227277. The reversal of 1227271 is 1727221.

It is a strong prime.

It is an emirp because it is prime and its reverse (1727221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1227271 - 2⁷ = 1227143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613635 + 613636.

It is an arithmetic number, because the mean of its divisors is an integer number (613636).

2^1227271 is an apocalyptic number.

1227271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227271 is an equidigital number, since it uses as much as digits as its factorization.

1227271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 392, while the sum is 22.

The square root of 1227271 is about 1107.8226392343. The cubic root of 1227271 is about 107.0648280976.

Multiplying 1227271 by its sum of digits (22), we get a palindrome (26999962).

The spelling of 1227271 in words is "one million, two hundred twenty-seven thousand, two hundred seventy-one".