102486225 has 12 divisors (see below), whose sum is σ = 169444016. Its totient is φ = 54659280.

The previous prime is 102486221. The next prime is 102486227. The reversal of 102486225 is 522684201.

It is not a de Polignac number, because 102486225 - 2² = 102486221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102486192 and 102486201.

It is not an unprimeable number, because it can be changed into a prime (102486221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 683167 + ... + 683316.

Almost surely, 2^102486225 is an apocalyptic number.

102486225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102486225 is a deficient number, since it is larger than the sum of its proper divisors (66957791).

102486225 is a wasteful number, since it uses less digits than its factorization.

102486225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366496 (or 1366491 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 102486225 is about 10123.5480440407. The cubic root of 102486225 is about 467.9741155601.

The spelling of 102486225 in words is "one hundred two million, four hundred eighty-six thousand, two hundred twenty-five".