102108228 has 24 divisors (see below), whose sum is σ = 238681632. Its totient is φ = 33974784.

The previous prime is 102108199. The next prime is 102108229. The reversal of 102108228 is 822801201.

It is a junction number, because it is equal to n+sod(n) for n = 102108198 and 102108207.

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 7 ways as a sum of consecutive naturals, for example, 450 + ... + 14297.

It is an arithmetic number, because the mean of its divisors is an integer number (9945068).

Almost surely, 2^102108228 is an apocalyptic number.

It is an amenable number.

102108228 is an abundant number, since it is smaller than the sum of its proper divisors (136573404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102108228 is a wasteful number, since it uses less digits than its factorization.

102108228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15331 (or 15329 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 102108228 is about 10104.8616022190. The cubic root of 102108228 is about 467.3980682761.

Adding to 102108228 its reverse (822801201), we get a palindrome (924909429).

The spelling of 102108228 in words is "one hundred two million, one hundred eight thousand, two hundred twenty-eight".