102875565 has 32 divisors (see below), whose sum is σ = 181399680. Its totient is φ = 49464576.

The previous prime is 102875561. The next prime is 102875569. The reversal of 102875565 is 565578201.

It is an interprime number because it is at equal distance from previous prime (102875561) and next prime (102875569).

It is not a de Polignac number, because 102875565 - 2² = 102875561 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102875561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2251 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (5668740).

Almost surely, 2^102875565 is an apocalyptic number.

102875565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102875565 is a deficient number, since it is larger than the sum of its proper divisors (78524115).

102875565 is a wasteful number, since it uses less digits than its factorization.

102875565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12333.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 102875565 is about 10142.7592399702. The cubic root of 102875565 is about 468.5659700709.

The spelling of 102875565 in words is "one hundred two million, eight hundred seventy-five thousand, five hundred sixty-five".