8021071 has 4 divisors (see below), whose sum is σ = 8027032. Its totient is φ = 8015112.

The previous prime is 8021063. The next prime is 8021077. The reversal of 8021071 is 1701208.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8021071 - 2³ = 8021063 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 (8021077) 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, 100 + ... + 4006.

It is an arithmetic number, because the mean of its divisors is an integer number (2006758).

Almost surely, 2^8021071 is an apocalyptic number.

8021071 is a deficient number, since it is larger than the sum of its proper divisors (5961).

8021071 is a wasteful number, since it uses less digits than its factorization.

8021071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960.

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

The square root of 8021071 is about 2832.1495370125. The cubic root of 8021071 is about 200.1754377297.

Adding to 8021071 its reverse (1701208), we get a palindrome (9722279).

The spelling of 8021071 in words is "eight million, twenty-one thousand, seventy-one".