11121843 has 8 divisors (see below), whose sum is σ = 14894800. Its totient is φ = 7381728.

The previous prime is 11121841. The next prime is 11121853. The reversal of 11121843 is 34812111.

It is a happy number.

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

It is not a de Polignac number, because 11121843 - 2¹ = 11121841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121841) 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, 7408 + ... + 8781.

It is an arithmetic number, because the mean of its divisors is an integer number (1861850).

Almost surely, 2^11121843 is an apocalyptic number.

11121843 is a deficient number, since it is larger than the sum of its proper divisors (3772957).

11121843 is a wasteful number, since it uses less digits than its factorization.

11121843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16421.

The product of its digits is 192, while the sum is 21.

The square root of 11121843 is about 3334.9427281439. The cubic root of 11121843 is about 223.2161363766.

Adding to 11121843 its reverse (34812111), we get a palindrome (45933954).

The spelling of 11121843 in words is "eleven million, one hundred twenty-one thousand, eight hundred forty-three".