199104001 has 4 divisors (see below), whose sum is σ = 199149012. Its totient is φ = 199058992.

The previous prime is 199103963. The next prime is 199104007. The reversal of 199104001 is 100401991.

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 142086400 + 57017601 = 11920^2 + 7551^2 .

It is a cyclic number.

It is not a de Polignac number, because 199104001 - 2⁷ = 199103873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199104007) 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, 15046 + ... + 24991.

It is an arithmetic number, because the mean of its divisors is an integer number (49787253).

Almost surely, 2^199104001 is an apocalyptic number.

It is an amenable number.

199104001 is a deficient number, since it is larger than the sum of its proper divisors (45011).

199104001 is an equidigital number, since it uses as much as digits as its factorization.

199104001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45010.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 199104001 is about 14110.4217158808. The cubic root of 199104001 is about 583.9289345955.

Adding to 199104001 its reverse (100401991), we get a palindrome (299505992).

The spelling of 199104001 in words is "one hundred ninety-nine million, one hundred four thousand, one".