9122409 has 8 divisors (see below), whose sum is σ = 13514720. Its totient is φ = 6081588.

The previous prime is 9122389. The next prime is 9122417. The reversal of 9122409 is 9042219.

It is not a de Polignac number, because 9122409 - 2⁹ = 9121897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 337867 = 9122409 / (9 + 1 + 2 + 2 + 4 + 0 + 9).

It is a Duffinian number.

9122409 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9122429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168907 + ... + 168960.

It is an arithmetic number, because the mean of its divisors is an integer number (1689340).

Almost surely, 2^9122409 is an apocalyptic number.

It is an amenable number.

9122409 is a deficient number, since it is larger than the sum of its proper divisors (4392311).

9122409 is a wasteful number, since it uses less digits than its factorization.

9122409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337876 (or 337870 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9122409 is about 3020.3325975793. The cubic root of 9122409 is about 208.9471795580.

It can be divided in two parts, 912 and 2409, that added together give a triangular number (3321 = T₈₁).

The spelling of 9122409 in words is "nine million, one hundred twenty-two thousand, four hundred nine".