11121073 has 4 divisors (see below), whose sum is σ = 11128320. Its totient is φ = 11113828.

The previous prime is 11121041. The next prime is 11121083. The reversal of 11121073 is 37012111.

11121073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11121073 - 2⁵ = 11121041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121083) 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, 313 + ... + 4726.

It is an arithmetic number, because the mean of its divisors is an integer number (2782080).

Almost surely, 2^11121073 is an apocalyptic number.

It is an amenable number.

11121073 is a deficient number, since it is larger than the sum of its proper divisors (7247).

11121073 is an equidigital number, since it uses as much as digits as its factorization.

11121073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7246.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 11121073 is about 3334.8272818843. The cubic root of 11121073 is about 223.2109849404.

Adding to 11121073 its reverse (37012111), we get a palindrome (48133184).

The spelling of 11121073 in words is "eleven million, one hundred twenty-one thousand, seventy-three".