11129243 has 4 divisors (see below), whose sum is σ = 11513040. Its totient is φ = 10745448.

The previous prime is 11129233. The next prime is 11129249. The reversal of 11129243 is 34292111.

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

It is a cyclic number.

It is not a de Polignac number, because 11129243 - 2¹⁴ = 11112859 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (11129249) 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 3 ways as a sum of consecutive naturals, for example, 191855 + ... + 191912.

It is an arithmetic number, because the mean of its divisors is an integer number (2878260).

Almost surely, 2^11129243 is an apocalyptic number.

11129243 is a deficient number, since it is larger than the sum of its proper divisors (383797).

11129243 is an equidigital number, since it uses as much as digits as its factorization.

11129243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383796.

The product of its digits is 432, while the sum is 23.

The square root of 11129243 is about 3336.0520079879. The cubic root of 11129243 is about 223.2656315666.

The spelling of 11129243 in words is "eleven million, one hundred twenty-nine thousand, two hundred forty-three".