11122005 has 8 divisors (see below), whose sum is σ = 17795232. Its totient is φ = 5931728.

The previous prime is 11122003. The next prime is 11122039. The reversal of 11122005 is 50022111.

11122005 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 11122005 - 2¹ = 11122003 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370719 + ... + 370748.

It is an arithmetic number, because the mean of its divisors is an integer number (2224404).

Almost surely, 2^11122005 is an apocalyptic number.

11122005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11122005 is a deficient number, since it is larger than the sum of its proper divisors (6673227).

11122005 is an equidigital number, since it uses as much as digits as its factorization.

11122005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741475.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 11122005 is about 3334.9670163286. The cubic root of 11122005 is about 223.2172201549.

Adding to 11122005 its reverse (50022111), we get a palindrome (61144116).

The spelling of 11122005 in words is "eleven million, one hundred twenty-two thousand, five".