801147 has 4 divisors (see below), whose sum is σ = 1068200. Its totient is φ = 534096.

The previous prime is 801137. The next prime is 801179. The reversal of 801147 is 741108.

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

It is not a de Polignac number, because 801147 - 2⁷ = 801019 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133522 + ... + 133527.

It is an arithmetic number, because the mean of its divisors is an integer number (267050).

2⁸⁰¹¹⁴⁷ is an apocalyptic number.

801147 is a deficient number, since it is larger than the sum of its proper divisors (267053).

801147 is a wasteful number, since it uses less digits than its factorization.

801147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267052.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 801147 is about 895.0681538296. The cubic root of 801147 is about 92.8761213392.

The spelling of 801147 in words is "eight hundred one thousand, one hundred forty-seven".