12041121 has 16 divisors (see below), whose sum is σ = 16917120. Its totient is φ = 7603200.

The previous prime is 12041089. The next prime is 12041143. The reversal of 12041121 is 12114021.

It is a happy number.

It is not a de Polignac number, because 12041121 - 2⁵ = 12041089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12041097 and 12041106.

It is not an unprimeable number, because it can be changed into a prime (12041171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6721 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (1057320).

Almost surely, 2^12041121 is an apocalyptic number.

It is an amenable number.

12041121 is a deficient number, since it is larger than the sum of its proper divisors (4875999).

12041121 is a wasteful number, since it uses less digits than its factorization.

12041121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 12041121 is about 3470.0318442343. The cubic root of 12041121 is about 229.2040603370.

Adding to 12041121 its reverse (12114021), we get a palindrome (24155142).

Subtracting 12041121 from its reverse (12114021), we obtain a square (72900 = 270²).

The spelling of 12041121 in words is "twelve million, forty-one thousand, one hundred twenty-one".