102081875 has 20 divisors (see below), whose sum is σ = 145790832. Its totient is φ = 69996000.

The previous prime is 102081857. The next prime is 102081877. The reversal of 102081875 is 578180201.

It is a happy number.

It is not a de Polignac number, because 102081875 - 2¹² = 102077779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102081877) 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 19 ways as a sum of consecutive naturals, for example, 7292 + ... + 16041.

Almost surely, 2^102081875 is an apocalyptic number.

102081875 is a deficient number, since it is larger than the sum of its proper divisors (43708957).

102081875 is an frugal number, since it uses more digits than its factorization.

102081875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23360 (or 23345 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 102081875 is about 10103.5575417771. The cubic root of 102081875 is about 467.3578547322.

The spelling of 102081875 in words is "one hundred two million, eighty-one thousand, eight hundred seventy-five".