11242009 has 8 divisors (see below), whose sum is σ = 11854080. Its totient is φ = 10640256.

The previous prime is 11242003. The next prime is 11242013. The reversal of 11242009 is 90024211.

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 11242009 - 2³ = 11242001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11242001) 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, 289 + ... + 4750.

It is an arithmetic number, because the mean of its divisors is an integer number (1481760).

Almost surely, 2^11242009 is an apocalyptic number.

It is an amenable number.

11242009 is a deficient number, since it is larger than the sum of its proper divisors (612071).

11242009 is an equidigital number, since it uses as much as digits as its factorization.

11242009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11242009 is about 3352.9105266917. The cubic root of 11242009 is about 224.0171715684.

The spelling of 11242009 in words is "eleven million, two hundred forty-two thousand, nine".