104377721 has 8 divisors (see below), whose sum is σ = 119395584. Its totient is φ = 89386560.

The previous prime is 104377717. The next prime is 104377817. The reversal of 104377721 is 127773401.

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

It is a cyclic number.

It is not a de Polignac number, because 104377721 - 2² = 104377717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104377711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 14673.

It is an arithmetic number, because the mean of its divisors is an integer number (14924448).

Almost surely, 2^104377721 is an apocalyptic number.

It is an amenable number.

104377721 is a deficient number, since it is larger than the sum of its proper divisors (15017863).

104377721 is a wasteful number, since it uses less digits than its factorization.

104377721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13351.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 104377721 is about 10216.5415381136. The cubic root of 104377721 is about 470.8355756352.

The spelling of 104377721 in words is "one hundred four million, three hundred seventy-seven thousand, seven hundred twenty-one".