11194121 has 2 divisors, whose sum is σ = 11194122. Its totient is φ = 11194120.

The previous prime is 11194093. The next prime is 11194151. The reversal of 11194121 is 12149111.

11194121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10310521 + 883600 = 3211^2 + 940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11194121 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11194093 and 11194102.

It is not a weakly prime, because it can be changed into another prime (11194151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5597060 + 5597061.

It is an arithmetic number, because the mean of its divisors is an integer number (5597061).

Almost surely, 2^11194121 is an apocalyptic number.

It is an amenable number.

11194121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11194121 is an equidigital number, since it uses as much as digits as its factorization.

11194121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 20.

The square root of 11194121 is about 3345.7616472188. The cubic root of 11194121 is about 223.6986341105.

The spelling of 11194121 in words is "eleven million, one hundred ninety-four thousand, one hundred twenty-one".