801271 has 4 divisors (see below), whose sum is σ = 805000. Its totient is φ = 797544.

The previous prime is 801247. The next prime is 801277. The reversal of 801271 is 172108.

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

It is a cyclic number.

It is not a de Polignac number, because 801271 - 2⁹ = 800759 is a prime.

It is a super-3 number, since 3×801271³ = 1543332597334876533, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1521 + ... + 1978.

It is an arithmetic number, because the mean of its divisors is an integer number (201250).

2⁸⁰¹²⁷¹ is an apocalyptic number.

801271 is a deficient number, since it is larger than the sum of its proper divisors (3729).

801271 is a wasteful number, since it uses less digits than its factorization.

801271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3728.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 801271 is about 895.1374196178. The cubic root of 801271 is about 92.8809128215.

Adding to 801271 its reverse (172108), we get a palindrome (973379).

The spelling of 801271 in words is "eight hundred one thousand, two hundred seventy-one".