100208001 has 16 divisors (see below), whose sum is σ = 136956096. Its totient is φ = 65148096.

The previous prime is 100207993. The next prime is 100208023. The reversal of 100208001 is 100802001.

It is a happy number.

It is not a de Polignac number, because 100208001 - 2³ = 100207993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100208501) 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 in 15 ways as a sum of consecutive naturals, for example, 25686 + ... + 29328.

It is an arithmetic number, because the mean of its divisors is an integer number (8559756).

Almost surely, 2^100208001 is an apocalyptic number.

It is an amenable number.

100208001 is a deficient number, since it is larger than the sum of its proper divisors (36748095).

100208001 is a wasteful number, since it uses less digits than its factorization.

100208001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3872.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 100208001 is about 10010.3946475651. The cubic root of 100208001 is about 464.4804788633.

The spelling of 100208001 in words is "one hundred million, two hundred eight thousand, one".