103205063 has 4 divisors (see below), whose sum is σ = 111143928. Its totient is φ = 95266200.

The previous prime is 103205057. The next prime is 103205119. The reversal of 103205063 is 360502301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103205063 - 2²⁶ = 36096199 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 (103205563) 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 3 ways as a sum of consecutive naturals, for example, 3969413 + ... + 3969438.

It is an arithmetic number, because the mean of its divisors is an integer number (27785982).

Almost surely, 2^103205063 is an apocalyptic number.

103205063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103205063 is a deficient number, since it is larger than the sum of its proper divisors (7938865).

103205063 is an equidigital number, since it uses as much as digits as its factorization.

103205063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938864.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 103205063 is about 10158.9892705918. The cubic root of 103205063 is about 469.0656903242.

Adding to 103205063 its reverse (360502301), we get a palindrome (463707364).

The spelling of 103205063 in words is "one hundred three million, two hundred five thousand, sixty-three".