121869227 has 2 divisors, whose sum is σ = 121869228. Its totient is φ = 121869226.

The previous prime is 121869221. The next prime is 121869233. The reversal of 121869227 is 722968121.

It is a balanced prime because it is at equal distance from previous prime (121869221) and next prime (121869233).

It is an emirp because it is prime and its reverse (722968121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121869227 - 2¹⁰ = 121868203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (121869221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60934613 + 60934614.

It is an arithmetic number, because the mean of its divisors is an integer number (60934614).

Almost surely, 2^121869227 is an apocalyptic number.

121869227 is a deficient number, since it is larger than the sum of its proper divisors (1).

121869227 is an equidigital number, since it uses as much as digits as its factorization.

121869227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 121869227 is about 11039.4396144007. The cubic root of 121869227 is about 495.7902921909.

The spelling of 121869227 in words is "one hundred twenty-one million, eight hundred sixty-nine thousand, two hundred twenty-seven".