102025866 has 8 divisors (see below), whose sum is σ = 204051744. Its totient is φ = 34008620.

The previous prime is 102025837. The next prime is 102025871. The reversal of 102025866 is 668520201.

It is a sphenic number, since it is the product of 3 distinct primes.

102025866 is an admirable number.

It is a Curzon number.

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 in 3 ways as a sum of consecutive naturals, for example, 8502150 + ... + 8502161.

It is an arithmetic number, because the mean of its divisors is an integer number (25506468).

Almost surely, 2^102025866 is an apocalyptic number.

102025866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

102025866 is a wasteful number, since it uses less digits than its factorization.

102025866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17004316.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 102025866 is about 10100.7854150061. The cubic root of 102025866 is about 467.2723644174.

The spelling of 102025866 in words is "one hundred two million, twenty-five thousand, eight hundred sixty-six".