104040641 has 4 divisors (see below), whose sum is σ = 104121792. Its totient is φ = 103959492.

The previous prime is 104040623. The next prime is 104040647. The reversal of 104040641 is 146040401.

It is a happy number.

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 104040641 - 2¹⁸ = 103778497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104040647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38621 + ... + 41226.

It is an arithmetic number, because the mean of its divisors is an integer number (26030448).

Almost surely, 2^104040641 is an apocalyptic number.

It is an amenable number.

104040641 is a deficient number, since it is larger than the sum of its proper divisors (81151).

104040641 is an equidigital number, since it uses as much as digits as its factorization.

104040641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81150.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 104040641 is about 10200.0314215202. The cubic root of 104040641 is about 470.3281863570.

The spelling of 104040641 in words is "one hundred four million, forty thousand, six hundred forty-one".