100544103 has 36 divisors (see below), whose sum is σ = 169054704. Its totient is φ = 57340800.

The previous prime is 100544099. The next prime is 100544149. The reversal of 100544103 is 301445001.

It is a happy number.

It is not a de Polignac number, because 100544103 - 2² = 100544099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100544183) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15798 + ... + 21228.

It is an arithmetic number, because the mean of its divisors is an integer number (4695964).

Almost surely, 2^100544103 is an apocalyptic number.

100544103 is a deficient number, since it is larger than the sum of its proper divisors (68510601).

100544103 is a wasteful number, since it uses less digits than its factorization.

100544103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476 (or 5462 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 100544103 is about 10027.1682443250. The cubic root of 100544103 is about 464.9991952813. Note that the first 3 decimals are identical.

Adding to 100544103 its reverse (301445001), we get a palindrome (401989104).

The spelling of 100544103 in words is "one hundred million, five hundred forty-four thousand, one hundred three".