102508228 has 6 divisors (see below), whose sum is σ = 179389406. Its totient is φ = 51254112.

The previous prime is 102508213. The next prime is 102508253. The reversal of 102508228 is 822805201.

It can be written as a sum of positive squares in only one way, i.e., 68425984 + 34082244 = 8272^2 + 5838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102508196 and 102508205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12813525 + ... + 12813532.

Almost surely, 2^102508228 is an apocalyptic number.

It is an amenable number.

102508228 is a deficient number, since it is larger than the sum of its proper divisors (76881178).

102508228 is a wasteful number, since it uses less digits than its factorization.

102508228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25627061 (or 25627059 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 102508228 is about 10124.6347094599. The cubic root of 102508228 is about 468.0076033050.

The spelling of 102508228 in words is "one hundred two million, five hundred eight thousand, two hundred twenty-eight".