801162021 has 8 divisors (see below), whose sum is σ = 1165326624. Its totient is φ = 485552720.

The previous prime is 801162007. The next prime is 801162029. The reversal of 801162021 is 120261108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 801162021 - 2¹⁷ = 801030949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801162029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12138786 + ... + 12138851.

It is an arithmetic number, because the mean of its divisors is an integer number (145665828).

Almost surely, 2^801162021 is an apocalyptic number.

It is an amenable number.

801162021 is a deficient number, since it is larger than the sum of its proper divisors (364164603).

801162021 is a wasteful number, since it uses less digits than its factorization.

801162021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24277651.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 801162021 is about 28304.8056167146. The cubic root of 801162021 is about 928.7670179178.

The spelling of 801162021 in words is "eight hundred one million, one hundred sixty-two thousand, twenty-one".