128241227 has 2 divisors, whose sum is σ = 128241228. Its totient is φ = 128241226.

The previous prime is 128241199. The next prime is 128241229. The reversal of 128241227 is 722142821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128241227 - 2⁶ = 128241163 is a prime.

Together with 128241229, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128241227.

It is not a weakly prime, because it can be changed into another prime (128241229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64120613 + 64120614.

It is an arithmetic number, because the mean of its divisors is an integer number (64120614).

Almost surely, 2^128241227 is an apocalyptic number.

128241227 is a deficient number, since it is larger than the sum of its proper divisors (1).

128241227 is an equidigital number, since it uses as much as digits as its factorization.

128241227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 29.

The square root of 128241227 is about 11324.3643088696. The cubic root of 128241227 is about 504.2848118842.

The spelling of 128241227 in words is "one hundred twenty-eight million, two hundred forty-one thousand, two hundred twenty-seven".