100032001 has 4 divisors (see below), whose sum is σ = 100133332. Its totient is φ = 99930672.

The previous prime is 100031989. The next prime is 100032011. The reversal of 100032001 is 100230001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81884401 + 18147600 = 9049^2 + 4260^2 .

It is a cyclic number.

It is not a de Polignac number, because 100032001 - 2⁵ = 100031969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100032011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49170 + ... + 51163.

It is an arithmetic number, because the mean of its divisors is an integer number (25033333).

Almost surely, 2^100032001 is an apocalyptic number.

It is an amenable number.

100032001 is a deficient number, since it is larger than the sum of its proper divisors (101331).

100032001 is an equidigital number, since it uses as much as digits as its factorization.

100032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101330.

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

The square root of 100032001 is about 10001.5999220125. The cubic root of 100032001 is about 464.2083899089.

Adding to 100032001 its reverse (100230001), we get a palindrome (200262002).

The spelling of 100032001 in words is "one hundred million, thirty-two thousand, one".