100665003 has 8 divisors (see below), whose sum is σ = 138848400. Its totient is φ = 64795808.

The previous prime is 100665001. The next prime is 100665013. The reversal of 100665003 is 300566001.

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

It is a cyclic number.

It is not a de Polignac number, because 100665003 - 2¹ = 100665001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100665001) 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, 578448 + ... + 578621.

It is an arithmetic number, because the mean of its divisors is an integer number (17356050).

Almost surely, 2^100665003 is an apocalyptic number.

100665003 is a deficient number, since it is larger than the sum of its proper divisors (38183397).

100665003 is a wasteful number, since it uses less digits than its factorization.

100665003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157101.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 100665003 is about 10033.1950544181. The cubic root of 100665003 is about 465.1855011997.

The spelling of 100665003 in words is "one hundred million, six hundred sixty-five thousand, three".