366121229 has 2 divisors, whose sum is σ = 366121230. Its totient is φ = 366121228.

The previous prime is 366121213. The next prime is 366121237. The reversal of 366121229 is 922121663.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282307204 + 83814025 = 16802^2 + 9155^2 .

It is an emirp because it is prime and its reverse (922121663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 366121229 - 2⁴ = 366121213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 366121195 and 366121204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (366121529) 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, 183060614 + 183060615.

It is an arithmetic number, because the mean of its divisors is an integer number (183060615).

Almost surely, 2^366121229 is an apocalyptic number.

It is an amenable number.

366121229 is a deficient number, since it is larger than the sum of its proper divisors (1).

366121229 is an equidigital number, since it uses as much as digits as its factorization.

366121229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 32.

The square root of 366121229 is about 19134.2945780606. The cubic root of 366121229 is about 715.3879772850.

The spelling of 366121229 in words is "three hundred sixty-six million, one hundred twenty-one thousand, two hundred twenty-nine".