102028575 has 96 divisors (see below), whose sum is σ = 202844160. Its totient is φ = 44668800.

The previous prime is 102028559. The next prime is 102028627. The reversal of 102028575 is 575820201.

It is not a de Polignac number, because 102028575 - 2⁴ = 102028559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 360384 + ... + 360666.

It is an arithmetic number, because the mean of its divisors is an integer number (2112960).

Almost surely, 2^102028575 is an apocalyptic number.

102028575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

102028575 is a deficient number, since it is larger than the sum of its proper divisors (100815585).

102028575 is a wasteful number, since it uses less digits than its factorization.

102028575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 344 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 102028575 is about 10100.9195125988. The cubic root of 102028575 is about 467.2765000668.

Adding to 102028575 its reverse (575820201), we get a palindrome (677848776).

The spelling of 102028575 in words is "one hundred two million, twenty-eight thousand, five hundred seventy-five".