236116121 has 2 divisors, whose sum is σ = 236116122. Its totient is φ = 236116120.

The previous prime is 236116063. The next prime is 236116141. The reversal of 236116121 is 121611632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 234702400 + 1413721 = 15320^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 236116121 - 2¹⁰ = 236115097 is a prime.

It is not a weakly prime, because it can be changed into another prime (236116141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118058060 + 118058061.

It is an arithmetic number, because the mean of its divisors is an integer number (118058061).

Almost surely, 2^236116121 is an apocalyptic number.

It is an amenable number.

236116121 is a deficient number, since it is larger than the sum of its proper divisors (1).

236116121 is an equidigital number, since it uses as much as digits as its factorization.

236116121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 23.

The square root of 236116121 is about 15366.0704475803. The cubic root of 236116121 is about 618.0759996674.

Adding to 236116121 its reverse (121611632), we get a palindrome (357727753).

The spelling of 236116121 in words is "two hundred thirty-six million, one hundred sixteen thousand, one hundred twenty-one".