11124147 has 4 divisors (see below), whose sum is σ = 14832200. Its totient is φ = 7416096.

The previous prime is 11124121. The next prime is 11124151. The reversal of 11124147 is 74142111.

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

It is not a de Polignac number, because 11124147 - 2¹¹ = 11122099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124107) 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, 1854022 + ... + 1854027.

It is an arithmetic number, because the mean of its divisors is an integer number (3708050).

Almost surely, 2^11124147 is an apocalyptic number.

11124147 is a deficient number, since it is larger than the sum of its proper divisors (3708053).

11124147 is an equidigital number, since it uses as much as digits as its factorization.

11124147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708052.

The product of its digits is 224, while the sum is 21.

The square root of 11124147 is about 3335.2881434743. The cubic root of 11124147 is about 223.2315491239.

Adding to 11124147 its reverse (74142111), we get a palindrome (85266258).

The spelling of 11124147 in words is "eleven million, one hundred twenty-four thousand, one hundred forty-seven".