102144587 has 8 divisors (see below), whose sum is σ = 106795680. Its totient is φ = 97511040.

The previous prime is 102144577. The next prime is 102144599. The reversal of 102144587 is 785441201.

It is a happy number.

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 102144587 - 2²⁰ = 101096011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102144547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8339 + ... + 16547.

It is an arithmetic number, because the mean of its divisors is an integer number (13349460).

Almost surely, 2^102144587 is an apocalyptic number.

102144587 is a deficient number, since it is larger than the sum of its proper divisors (4651093).

102144587 is an equidigital number, since it uses as much as digits as its factorization.

102144587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 102144587 is about 10106.6605266032. The cubic root of 102144587 is about 467.4535391883.

Adding to 102144587 its reverse (785441201), we get a palindrome (887585788).

The spelling of 102144587 in words is "one hundred two million, one hundred forty-four thousand, five hundred eighty-seven".