104641491 has 4 divisors (see below), whose sum is σ = 139521992. Its totient is φ = 69760992.

The previous prime is 104641487. The next prime is 104641499. The reversal of 104641491 is 194146401.

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

It is not a de Polignac number, because 104641491 - 2² = 104641487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104641499) 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, 17440246 + ... + 17440251.

It is an arithmetic number, because the mean of its divisors is an integer number (34880498).

Almost surely, 2^104641491 is an apocalyptic number.

104641491 is a deficient number, since it is larger than the sum of its proper divisors (34880501).

104641491 is an equidigital number, since it uses as much as digits as its factorization.

104641491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34880500.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 104641491 is about 10229.4423601680. The cubic root of 104641491 is about 471.2318537903.

Adding to 104641491 its reverse (194146401), we get a palindrome (298787892).

The spelling of 104641491 in words is "one hundred four million, six hundred forty-one thousand, four hundred ninety-one".