11124005 has 4 divisors (see below), whose sum is σ = 13348812. Its totient is φ = 8899200.

The previous prime is 11123963. The next prime is 11124053. The reversal of 11124005 is 50042111.

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 7491169 + 3632836 = 2737^2 + 1906^2 .

It is not a de Polignac number, because 11124005 - 2¹² = 11119909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1112396 + ... + 1112405.

It is an arithmetic number, because the mean of its divisors is an integer number (3337203).

Almost surely, 2^11124005 is an apocalyptic number.

It is an amenable number.

11124005 is a deficient number, since it is larger than the sum of its proper divisors (2224807).

11124005 is an equidigital number, since it uses as much as digits as its factorization.

11124005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224806.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 11124005 is about 3335.2668558902. The cubic root of 11124005 is about 223.2305992679.

Adding to 11124005 its reverse (50042111), we get a palindrome (61166116).

The spelling of 11124005 in words is "eleven million, one hundred twenty-four thousand, five".