102103225 has 12 divisors (see below), whose sum is σ = 144695104. Its totient is φ = 70013520.

The previous prime is 102103219. The next prime is 102103237. The reversal of 102103225 is 522301201.

It is not a de Polignac number, because 102103225 - 2⁷ = 102103097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102103199 and 102103208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291549 + ... + 291898.

Almost surely, 2^102103225 is an apocalyptic number.

It is an amenable number.

102103225 is a deficient number, since it is larger than the sum of its proper divisors (42591879).

102103225 is an equidigital number, since it uses as much as digits as its factorization.

102103225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583464 (or 583459 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102103225 is about 10104.6140450786. The cubic root of 102103225 is about 467.3904344455.

Adding to 102103225 its reverse (522301201), we get a palindrome (624404426).

The spelling of 102103225 in words is "one hundred two million, one hundred three thousand, two hundred twenty-five".