284266121 has 2 divisors, whose sum is σ = 284266122. Its totient is φ = 284266120.

The previous prime is 284266067. The next prime is 284266133. The reversal of 284266121 is 121662482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274896400 + 9369721 = 16580^2 + 3061^2 .

It is a cyclic number.

It is not a de Polignac number, because 284266121 - 2⁶ = 284266057 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (284266921) 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, 142133060 + 142133061.

It is an arithmetic number, because the mean of its divisors is an integer number (142133061).

Almost surely, 2^284266121 is an apocalyptic number.

It is an amenable number.

284266121 is a deficient number, since it is larger than the sum of its proper divisors (1).

284266121 is an equidigital number, since it uses as much as digits as its factorization.

284266121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 32.

The square root of 284266121 is about 16860.1933856050. The cubic root of 284266121 is about 657.5190921027.

The spelling of 284266121 in words is "two hundred eighty-four million, two hundred sixty-six thousand, one hundred twenty-one".