100320001 has 4 divisors (see below), whose sum is σ = 102020400. Its totient is φ = 98619604.

The previous prime is 100319993. The next prime is 100320007. The reversal of 100320001 is 100023001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100320001 - 2³ = 100319993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100320007) 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 3 ways as a sum of consecutive naturals, for example, 850111 + ... + 850228.

It is an arithmetic number, because the mean of its divisors is an integer number (25505100).

Almost surely, 2^100320001 is an apocalyptic number.

It is an amenable number.

100320001 is a deficient number, since it is larger than the sum of its proper divisors (1700399).

100320001 is an equidigital number, since it uses as much as digits as its factorization.

100320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700398.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 100320001 is about 10015.9872703593. The cubic root of 100320001 is about 464.6534605413.

Adding to 100320001 its reverse (100023001), we get a palindrome (200343002).

The spelling of 100320001 in words is "one hundred million, three hundred twenty thousand, one".