102123227 has 2 divisors, whose sum is σ = 102123228. Its totient is φ = 102123226.

The previous prime is 102123223. The next prime is 102123247. The reversal of 102123227 is 722321201.

It is an a-pointer prime, because the next prime (102123247) can be obtained adding 102123227 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102123227 - 2² = 102123223 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102123199 and 102123208.

It is not a weakly prime, because it can be changed into another prime (102123223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061613 + 51061614.

It is an arithmetic number, because the mean of its divisors is an integer number (51061614).

Almost surely, 2^102123227 is an apocalyptic number.

102123227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102123227 is an equidigital number, since it uses as much as digits as its factorization.

102123227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 102123227 is about 10105.6037424787. The cubic root of 102123227 is about 467.4209530149.

Adding to 102123227 its reverse (722321201), we get a palindrome (824444428).

The spelling of 102123227 in words is "one hundred two million, one hundred twenty-three thousand, two hundred twenty-seven".