102108227 has 4 divisors (see below), whose sum is σ = 109962720. Its totient is φ = 94253736.

The previous prime is 102108199. The next prime is 102108229. The reversal of 102108227 is 722801201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 722801201 = 2803 ⋅257867.

It is a cyclic number.

It is not a de Polignac number, because 102108227 - 2¹⁸ = 101846083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102108229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927227 + ... + 3927252.

It is an arithmetic number, because the mean of its divisors is an integer number (27490680).

Almost surely, 2^102108227 is an apocalyptic number.

102108227 is a deficient number, since it is larger than the sum of its proper divisors (7854493).

102108227 is an equidigital number, since it uses as much as digits as its factorization.

102108227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7854492.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 102108227 is about 10104.8615527379. The cubic root of 102108227 is about 467.3980667502.

Adding to 102108227 its reverse (722801201), we get a palindrome (824909428).

The spelling of 102108227 in words is "one hundred two million, one hundred eight thousand, two hundred twenty-seven".