801081 has 6 divisors (see below), whose sum is σ = 1157130. Its totient is φ = 534048.

The previous prime is 801079. The next prime is 801103. The reversal of 801081 is 180108.

It is a happy number.

801081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 705600 + 95481 = 840^2 + 309^2 .

It is not a de Polignac number, because 801081 - 2¹ = 801079 is a prime.

It is a super-2 number, since 2×801081² = 1283461537122, which contains 22 as substring.

801081 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 801081.

It is not an unprimeable number, because it can be changed into a prime (801001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44496 + ... + 44513.

It is an arithmetic number, because the mean of its divisors is an integer number (192855).

2⁸⁰¹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

801081 is a deficient number, since it is larger than the sum of its proper divisors (356049).

801081 is a wasteful number, since it uses less digits than its factorization.

801081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89015 (or 89012 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 801081 is about 895.0312843694. The cubic root of 801081 is about 92.8735708325.

Adding to 801081 its reverse (180108), we get a palindrome (981189).

The spelling of 801081 in words is "eight hundred one thousand, eighty-one".