102385865 has 8 divisors (see below), whose sum is σ = 123259968. Its totient is φ = 81644080.

The previous prime is 102385861. The next prime is 102385909. The reversal of 102385865 is 568583201.

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

It is not a de Polignac number, because 102385865 - 2² = 102385861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (102385861) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31367 + ... + 34476.

It is an arithmetic number, because the mean of its divisors is an integer number (15407496).

Almost surely, 2^102385865 is an apocalyptic number.

It is an amenable number.

102385865 is a deficient number, since it is larger than the sum of its proper divisors (20874103).

102385865 is an equidigital number, since it uses as much as digits as its factorization.

102385865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66159.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 102385865 is about 10118.5900697676. The cubic root of 102385865 is about 467.8213105658.

The spelling of 102385865 in words is "one hundred two million, three hundred eighty-five thousand, eight hundred sixty-five".