100730001 has 16 divisors (see below), whose sum is σ = 142011200. Its totient is φ = 63332928.

The previous prime is 100729987. The next prime is 100730023. The reversal of 100730001 is 100037001.

It is not a de Polignac number, because 100730001 - 2⁵ = 100729969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100730081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9195 + ... + 16911.

It is an arithmetic number, because the mean of its divisors is an integer number (8875700).

Almost surely, 2^100730001 is an apocalyptic number.

It is an amenable number.

100730001 is a deficient number, since it is larger than the sum of its proper divisors (41281199).

100730001 is a wasteful number, since it uses less digits than its factorization.

100730001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7968.

The product of its (nonzero) digits is 21, while the sum is 12.

The square root of 100730001 is about 10036.4336793504. The cubic root of 100730001 is about 465.2856009396.

Adding to 100730001 its reverse (100037001), we get a palindrome (200767002).

The spelling of 100730001 in words is "one hundred million, seven hundred thirty thousand, one".