104004001 has 4 divisors (see below), whose sum is σ = 104374404. Its totient is φ = 103633600.

The previous prime is 104003989. The next prime is 104004023. The reversal of 104004001 is 100400401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 100400401 = 157 ⋅639493.

It can be written as a sum of positive squares in 2 ways, for example, as 87609600 + 16394401 = 9360^2 + 4049^2 .

It is a cyclic number.

It is not a de Polignac number, because 104004001 - 2⁵ = 104003969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104004031) 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, 184780 + ... + 185341.

It is an arithmetic number, because the mean of its divisors is an integer number (26093601).

Almost surely, 2^104004001 is an apocalyptic number.

It is an amenable number.

104004001 is a deficient number, since it is larger than the sum of its proper divisors (370403).

104004001 is an equidigital number, since it uses as much as digits as its factorization.

104004001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370402.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 104004001 is about 10198.2351904631. The cubic root of 104004001 is about 470.2729680374.

Adding to 104004001 its reverse (100400401), we get a palindrome (204404402).

It can be divided in two parts, 10400400 and 1, that added together give a palindrome (10400401).

The spelling of 104004001 in words is "one hundred four million, four thousand, one".