6811129 has 8 divisors (see below), whose sum is σ = 7378560. Its totient is φ = 6249936.

The previous prime is 6811127. The next prime is 6811141. The reversal of 6811129 is 9211186.

It is a happy number.

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 6811129 - 2¹ = 6811127 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6811097 and 6811106.

It is not an unprimeable number, because it can be changed into a prime (6811121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864 + ... + 3790.

It is an arithmetic number, because the mean of its divisors is an integer number (922320).

Almost surely, 2^6811129 is an apocalyptic number.

It is an amenable number.

6811129 is a deficient number, since it is larger than the sum of its proper divisors (567431).

6811129 is a wasteful number, since it uses less digits than its factorization.

6811129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119.

The product of its digits is 864, while the sum is 28.

The square root of 6811129 is about 2609.8139780452. The cubic root of 6811129 is about 189.5569454987.

The spelling of 6811129 in words is "six million, eight hundred eleven thousand, one hundred twenty-nine".