100450003 has 4 divisors (see below), whose sum is σ = 101660328. Its totient is φ = 99239680.

The previous prime is 100449917. The next prime is 100450043. The reversal of 100450003 is 300054001.

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 100450003 - 2⁹ = 100449491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100450043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605038 + ... + 605203.

It is an arithmetic number, because the mean of its divisors is an integer number (25415082).

Almost surely, 2^100450003 is an apocalyptic number.

100450003 is a deficient number, since it is larger than the sum of its proper divisors (1210325).

100450003 is an equidigital number, since it uses as much as digits as its factorization.

100450003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210324.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 100450003 is about 10022.4748939571. The cubic root of 100450003 is about 464.8540845596.

The spelling of 100450003 in words is "one hundred million, four hundred fifty thousand, three".