102585487 has 4 divisors (see below), whose sum is σ = 104971240. Its totient is φ = 100199736.

The previous prime is 102585467. The next prime is 102585533. The reversal of 102585487 is 784585201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784585201 = 4363 ⋅179827.

It is a cyclic number.

It is not a de Polignac number, because 102585487 - 2¹⁵ = 102552719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102585467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1192812 + ... + 1192897.

It is an arithmetic number, because the mean of its divisors is an integer number (26242810).

Almost surely, 2^102585487 is an apocalyptic number.

102585487 is a deficient number, since it is larger than the sum of its proper divisors (2385753).

102585487 is an equidigital number, since it uses as much as digits as its factorization.

102585487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385752.

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 102585487 is about 10128.4493877395. The cubic root of 102585487 is about 468.1251506800.

The spelling of 102585487 in words is "one hundred two million, five hundred eighty-five thousand, four hundred eighty-seven".