102687227 has 2 divisors, whose sum is σ = 102687228. Its totient is φ = 102687226.

The previous prime is 102687209. The next prime is 102687239. The reversal of 102687227 is 722786201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102687227 - 2⁶ = 102687163 is a prime.

It is not a weakly prime, because it can be changed into another prime (102687287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51343613 + 51343614.

It is an arithmetic number, because the mean of its divisors is an integer number (51343614).

Almost surely, 2^102687227 is an apocalyptic number.

102687227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102687227 is an equidigital number, since it uses as much as digits as its factorization.

102687227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 102687227 is about 10133.4706295523. The cubic root of 102687227 is about 468.2798552035.

The spelling of 102687227 in words is "one hundred two million, six hundred eighty-seven thousand, two hundred twenty-seven".