104491001 has 8 divisors (see below), whose sum is σ = 111694464. Its totient is φ = 97509280.

The previous prime is 104490979. The next prime is 104491003. The reversal of 104491001 is 100194401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104491001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104491003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54461 + ... + 56346.

It is an arithmetic number, because the mean of its divisors is an integer number (13961808).

Almost surely, 2^104491001 is an apocalyptic number.

It is an amenable number.

104491001 is a deficient number, since it is larger than the sum of its proper divisors (7203463).

104491001 is a wasteful number, since it uses less digits than its factorization.

104491001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110871.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 104491001 is about 10222.0839851764. The cubic root of 104491001 is about 471.0058449546.

The spelling of 104491001 in words is "one hundred four million, four hundred ninety-one thousand, one".