100103563 has 8 divisors (see below), whose sum is σ = 118349280. Its totient is φ = 82844160.

The previous prime is 100103543. The next prime is 100103573. The reversal of 100103563 is 365301001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-100103563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100103563.

It is not an unprimeable number, because it can be changed into a prime (100103543) 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, 246358 + ... + 246763.

It is an arithmetic number, because the mean of its divisors is an integer number (14793660).

Almost surely, 2^100103563 is an apocalyptic number.

100103563 is a deficient number, since it is larger than the sum of its proper divisors (18245717).

100103563 is an equidigital number, since it uses as much as digits as its factorization.

100103563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493157.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 100103563 is about 10005.1768100319. The cubic root of 100103563 is about 464.3190603674.

Adding to 100103563 its reverse (365301001), we get a palindrome (465404564).

The spelling of 100103563 in words is "one hundred million, one hundred three thousand, five hundred sixty-three".