100204603 has 2 divisors, whose sum is σ = 100204604. Its totient is φ = 100204602.

The previous prime is 100204567. The next prime is 100204619. The reversal of 100204603 is 306402001.

It is an a-pointer prime, because the next prime (100204619) can be obtained adding 100204603 to its sum of digits (16).

It is a strong prime.

It is an emirp because it is prime and its reverse (306402001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100204603 - 2¹⁷ = 100073531 is a prime.

It is not a weakly prime, because it can be changed into another prime (100204303) 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 as a sum of consecutive naturals, namely, 50102301 + 50102302.

It is an arithmetic number, because the mean of its divisors is an integer number (50102302).

Almost surely, 2^100204603 is an apocalyptic number.

100204603 is a deficient number, since it is larger than the sum of its proper divisors (1).

100204603 is an equidigital number, since it uses as much as digits as its factorization.

100204603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 100204603 is about 10010.2249225479. The cubic root of 100204603 is about 464.4752287086.

Adding to 100204603 its reverse (306402001), we get a palindrome (406606604).

The spelling of 100204603 in words is "one hundred million, two hundred four thousand, six hundred three".