102643603 has 8 divisors (see below), whose sum is σ = 109231200. Its totient is φ = 96117120.

The previous prime is 102643561. The next prime is 102643613. The reversal of 102643603 is 306346201.

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 102643603 - 2¹³ = 102635411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102643613) 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, 11788 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (13653900).

Almost surely, 2^102643603 is an apocalyptic number.

102643603 is a deficient number, since it is larger than the sum of its proper divisors (6587597).

102643603 is a wasteful number, since it uses less digits than its factorization.

102643603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30557.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 102643603 is about 10131.3179300622. The cubic root of 102643603 is about 468.2135336350.

Adding to 102643603 its reverse (306346201), we get a palindrome (408989804).

The spelling of 102643603 in words is "one hundred two million, six hundred forty-three thousand, six hundred three".