102689585 has 8 divisors (see below), whose sum is σ = 129713280. Its totient is φ = 77827824.

The previous prime is 102689581. The next prime is 102689591. The reversal of 102689585 is 585986201.

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 102689585 - 2² = 102689581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102689581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540377 + ... + 540566.

It is an arithmetic number, because the mean of its divisors is an integer number (16214160).

Almost surely, 2^102689585 is an apocalyptic number.

It is an amenable number.

102689585 is a deficient number, since it is larger than the sum of its proper divisors (27023695).

102689585 is a wasteful number, since it uses less digits than its factorization.

102689585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080967.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 102689585 is about 10133.5869759923. The cubic root of 102689585 is about 468.2834395359.

The spelling of 102689585 in words is "one hundred two million, six hundred eighty-nine thousand, five hundred eighty-five".