102868565 has 16 divisors (see below), whose sum is σ = 132148800. Its totient is φ = 76637952.

The previous prime is 102868561. The next prime is 102868567. The reversal of 102868565 is 565868201.

It is a cyclic number.

It is not a de Polignac number, because 102868565 - 2² = 102868561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102868561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3572 + ... + 14781.

It is an arithmetic number, because the mean of its divisors is an integer number (8259300).

Almost surely, 2^102868565 is an apocalyptic number.

It is an amenable number.

102868565 is a deficient number, since it is larger than the sum of its proper divisors (29280235).

102868565 is a wasteful number, since it uses less digits than its factorization.

102868565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18436.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 102868565 is about 10142.4141603466. The cubic root of 102868565 is about 468.5553422275. Note that the first 3 decimals are identical.

The spelling of 102868565 in words is "one hundred two million, eight hundred sixty-eight thousand, five hundred sixty-five".