6122909 has 4 divisors (see below), whose sum is σ = 6593916. Its totient is φ = 5651904.

The previous prime is 6122881. The next prime is 6122917. The reversal of 6122909 is 9092216.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 386884 + 5736025 = 622^2 + 2395^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6122909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6122939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235484 + ... + 235509.

It is an arithmetic number, because the mean of its divisors is an integer number (1648479).

Almost surely, 2^6122909 is an apocalyptic number.

It is an amenable number.

6122909 is a deficient number, since it is larger than the sum of its proper divisors (471007).

6122909 is a wasteful number, since it uses less digits than its factorization.

6122909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471006.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 6122909 is about 2474.4512522982. The cubic root of 6122909 is about 182.9444624287.

The spelling of 6122909 in words is "six million, one hundred twenty-two thousand, nine hundred nine".