100842003 has 20 divisors (see below), whose sum is σ = 150955728. Its totient is φ = 67087440.

The previous prime is 100841989. The next prime is 100842013. The reversal of 100842003 is 300248001.

It is a happy number.

It is not a de Polignac number, because 100842003 - 2⁵ = 100841971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100842013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50125 + ... + 52097.

Almost surely, 2^100842003 is an apocalyptic number.

100842003 is a deficient number, since it is larger than the sum of its proper divisors (50113725).

100842003 is an equidigital number, since it uses as much as digits as its factorization.

100842003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 100842003 is about 10042.0119000129. The cubic root of 100842003 is about 465.4579878963.

The spelling of 100842003 in words is "one hundred million, eight hundred forty-two thousand, three".