36204121 has 2 divisors, whose sum is σ = 36204122. Its totient is φ = 36204120.

The previous prime is 36204089. The next prime is 36204149. The reversal of 36204121 is 12140263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28302400 + 7901721 = 5320^2 + 2811^2 .

It is a cyclic number.

It is not a de Polignac number, because 36204121 - 2⁵ = 36204089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36204821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18102060 + 18102061.

It is an arithmetic number, because the mean of its divisors is an integer number (18102061).

Almost surely, 2^36204121 is an apocalyptic number.

It is an amenable number.

36204121 is a deficient number, since it is larger than the sum of its proper divisors (1).

36204121 is an equidigital number, since it uses as much as digits as its factorization.

36204121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 36204121 is about 6016.9860395384. The cubic root of 36204121 is about 330.8156164053.

Adding to 36204121 its reverse (12140263), we get a palindrome (48344384).

The spelling of 36204121 in words is "thirty-six million, two hundred four thousand, one hundred twenty-one".