1270571 has 2 divisors, whose sum is σ = 1270572. Its totient is φ = 1270570.

The previous prime is 1270567. The next prime is 1270573. The reversal of 1270571 is 1750721.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1270571 - 2² = 1270567 is a prime.

It is a super-2 number, since 2×1270571² = 3228701332082, which contains 22 as substring.

Together with 1270573, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1270573) 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, 635285 + 635286.

It is an arithmetic number, because the mean of its divisors is an integer number (635286).

2^1270571 is an apocalyptic number.

1270571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270571 is an equidigital number, since it uses as much as digits as its factorization.

1270571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 1270571 is about 1127.1960787725. The cubic root of 1270571 is about 108.3094406218.

The spelling of 1270571 in words is "one million, two hundred seventy thousand, five hundred seventy-one".