11121842 has 16 divisors (see below), whose sum is σ = 17910072. Its totient is φ = 5160960.

The previous prime is 11121841. The next prime is 11121853. The reversal of 11121842 is 24812111.

11121842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 11082241 + 39601 = 3329^2 + 199^2 .

It is not an unprimeable number, because it can be changed into a prime (11121841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242 + ... + 4722.

Almost surely, 2^11121842 is an apocalyptic number.

11121842 is a deficient number, since it is larger than the sum of its proper divisors (6788230).

11121842 is a wasteful number, since it uses less digits than its factorization.

11121842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573.

The product of its digits is 128, while the sum is 20.

The square root of 11121842 is about 3334.9425782163. The cubic root of 11121842 is about 223.2161296866.

Adding to 11121842 its reverse (24812111), we get a palindrome (35933953).

The spelling of 11121842 in words is "eleven million, one hundred twenty-one thousand, eight hundred forty-two".