801171 has 28 divisors (see below), whose sum is σ = 1381552. Its totient is φ = 454896.

The previous prime is 801137. The next prime is 801179. The reversal of 801171 is 171108.

801171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801171 - 2⁶ = 801107 is a prime.

It is a Duffinian number.

801171 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (801179) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 5025 + ... + 5181.

2⁸⁰¹¹⁷¹ is an apocalyptic number.

801171 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

801171 is a deficient number, since it is larger than the sum of its proper divisors (580381).

801171 is an equidigital number, since it uses as much as digits as its factorization.

801171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 18.

The square root of 801171 is about 895.0815605295. The cubic root of 801171 is about 92.8770487615.

Adding to 801171 its reverse (171108), we get a palindrome (972279).

The spelling of 801171 in words is "eight hundred one thousand, one hundred seventy-one".