966186121 has 2 divisors, whose sum is σ = 966186122. Its totient is φ = 966186120.

The previous prime is 966186073. The next prime is 966186161. The reversal of 966186121 is 121681669.

966186121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (966186161) can be obtained adding 966186121 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 950858896 + 15327225 = 30836^2 + 3915^2 .

It is a cyclic number.

It is not a de Polignac number, because 966186121 - 2⁹ = 966185609 is a prime.

It is not a weakly prime, because it can be changed into another prime (966186161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483093060 + 483093061.

It is an arithmetic number, because the mean of its divisors is an integer number (483093061).

Almost surely, 2^966186121 is an apocalyptic number.

It is an amenable number.

966186121 is a deficient number, since it is larger than the sum of its proper divisors (1).

966186121 is an equidigital number, since it uses as much as digits as its factorization.

966186121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 40.

The square root of 966186121 is about 31083.5345641386. The cubic root of 966186121 is about 988.5992232382.

The spelling of 966186121 in words is "nine hundred sixty-six million, one hundred eighty-six thousand, one hundred twenty-one".