11123842 has 8 divisors (see below), whose sum is σ = 17073936. Its totient is φ = 5432532.

The previous prime is 11123773. The next prime is 11123851. The reversal of 11123842 is 24832111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64588 + ... + 64759.

It is an arithmetic number, because the mean of its divisors is an integer number (2134242).

Almost surely, 2^11123842 is an apocalyptic number.

11123842 is a deficient number, since it is larger than the sum of its proper divisors (5950094).

11123842 is a wasteful number, since it uses less digits than its factorization.

11123842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129392.

The product of its digits is 384, while the sum is 22.

The square root of 11123842 is about 3335.2424199749. The cubic root of 11123842 is about 223.2295089302.

Adding to 11123842 its reverse (24832111), we get a palindrome (35955953).

It can be divided in two parts, 111 and 23842, that multiplied together give a palindrome (2646462).

The spelling of 11123842 in words is "eleven million, one hundred twenty-three thousand, eight hundred forty-two".