801100 has 18 divisors (see below), whose sum is σ = 1738604. Its totient is φ = 320400.

The previous prime is 801079. The next prime is 801103. The reversal of 801100 is 1108.

It is a super-2 number, since 2×801100² = 1283522420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (801103) 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, 3906 + ... + 4105.

2⁸⁰¹¹⁰⁰ is an apocalyptic number.

It is an amenable number.

801100 is an abundant number, since it is smaller than the sum of its proper divisors (937504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

801100 is a wasteful number, since it uses less digits than its factorization.

801100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025 (or 8018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 801100 is about 895.0418984606. The cubic root of 801100 is about 92.8743050837.

Adding to 801100 its reverse (1108), we get a palindrome (802208).

The spelling of 801100 in words is "eight hundred one thousand, one hundred".