100002001 has 8 divisors (see below), whose sum is σ = 112612608. Its totient is φ = 87978000.

The previous prime is 100001987. The next prime is 100002011. The reversal of 100002001 is 100200001.

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

It is not a de Polignac number, because 100002001 - 2¹⁷ = 99870929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100002011) 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, 146290 + ... + 146971.

It is an arithmetic number, because the mean of its divisors is an integer number (14076576).

Almost surely, 2^100002001 is an apocalyptic number.

100002001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

100002001 is a deficient number, since it is larger than the sum of its proper divisors (12610607).

100002001 is a wasteful number, since it uses less digits than its factorization.

100002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293303.

The product of its (nonzero) digits is 2, while the sum is 4.

The square root of 100002001 is about 10000.1000494995. The cubic root of 100002001 is about 464.1619792804.

Adding to 100002001 its reverse (100200001), we get a palindrome (200202002).

The spelling of 100002001 in words is "one hundred million, two thousand, one".