811041 has 16 divisors (see below), whose sum is σ = 1348608. Its totient is φ = 421200.

The previous prime is 811039. The next prime is 811067. The reversal of 811041 is 140118.

It is not a de Polignac number, because 811041 - 2¹ = 811039 is a prime.

811041 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 811041.

It is not an unprimeable number, because it can be changed into a prime (811081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1525 + ... + 1986.

It is an arithmetic number, because the mean of its divisors is an integer number (84288).

2⁸¹¹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

811041 is a deficient number, since it is larger than the sum of its proper divisors (537567).

811041 is a wasteful number, since it uses less digits than its factorization.

811041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532.

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 811041 is about 900.5781476363. The cubic root of 811041 is about 93.2568917753.

Adding to 811041 its reverse (140118), we get a palindrome (951159).

The spelling of 811041 in words is "eight hundred eleven thousand, forty-one".