128606227 has 2 divisors, whose sum is σ = 128606228. Its totient is φ = 128606226.

The previous prime is 128606167. The next prime is 128606243. The reversal of 128606227 is 722606821.

It is a strong prime.

It is an emirp because it is prime and its reverse (722606821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128606227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128606192 and 128606201.

It is not a weakly prime, because it can be changed into another prime (128606267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64303113 + 64303114.

It is an arithmetic number, because the mean of its divisors is an integer number (64303114).

Almost surely, 2^128606227 is an apocalyptic number.

128606227 is a deficient number, since it is larger than the sum of its proper divisors (1).

128606227 is an equidigital number, since it uses as much as digits as its factorization.

128606227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 128606227 is about 11340.4685529303. The cubic root of 128606227 is about 504.7627902711.

The spelling of 128606227 in words is "one hundred twenty-eight million, six hundred six thousand, two hundred twenty-seven".