102104023985 has 8 divisors (see below), whose sum is σ = 123648910440. Its totient is φ = 80933831424.

The previous prime is 102104023933. The next prime is 102104023991. The reversal of 102104023985 is 589320401201.

It can be written as a sum of positive squares in 4 ways, for example, as 40661512609 + 61442511376 = 201647^2 + 247876^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 102104023985 - 2¹⁸ = 102103761841 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93672872 + ... + 93673961.

It is an arithmetic number, because the mean of its divisors is an integer number (15456113805).

Almost surely, 2^102104023985 is an apocalyptic number.

It is an amenable number.

102104023985 is a deficient number, since it is larger than the sum of its proper divisors (21544886455).

102104023985 is a wasteful number, since it uses less digits than its factorization.

102104023985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187346947.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 102104023985 in words is "one hundred two billion, one hundred four million, twenty-three thousand, nine hundred eighty-five".