1271327 has 4 divisors (see below), whose sum is σ = 1275960. Its totient is φ = 1266696.

The previous prime is 1271321. The next prime is 1271339. The reversal of 1271327 is 7231721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1271327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1271321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1877 + ... + 2462.

It is an arithmetic number, because the mean of its divisors is an integer number (318990).

2^1271327 is an apocalyptic number.

1271327 is a deficient number, since it is larger than the sum of its proper divisors (4633).

1271327 is an equidigital number, since it uses as much as digits as its factorization.

1271327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4632.

The product of its digits is 588, while the sum is 23.

The square root of 1271327 is about 1127.5313742863. The cubic root of 1271327 is about 108.3309180264.

The spelling of 1271327 in words is "one million, two hundred seventy-one thousand, three hundred twenty-seven".