10812109 has 8 divisors (see below), whose sum is σ = 13480128. Its totient is φ = 8424960.

The previous prime is 10812107. The next prime is 10812127. The reversal of 10812109 is 90121801.

10812109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10812109 - 2¹ = 10812107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10812109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10812101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70132 + ... + 70285.

It is an arithmetic number, because the mean of its divisors is an integer number (1685016).

Almost surely, 2^10812109 is an apocalyptic number.

It is an amenable number.

10812109 is a deficient number, since it is larger than the sum of its proper divisors (2668019).

10812109 is a wasteful number, since it uses less digits than its factorization.

10812109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140435.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 10812109 is about 3288.1771545949. The cubic root of 10812109 is about 221.1244700583.

The spelling of 10812109 in words is "ten million, eight hundred twelve thousand, one hundred nine".