104220709 has 4 divisors (see below), whose sum is σ = 104289120. Its totient is φ = 104152300.

The previous prime is 104220689. The next prime is 104220731. The reversal of 104220709 is 907022401.

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 104220709 - 2⁷ = 104220581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104220509) 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, 31867 + ... + 34984.

It is an arithmetic number, because the mean of its divisors is an integer number (26072280).

Almost surely, 2^104220709 is an apocalyptic number.

It is an amenable number.

104220709 is a deficient number, since it is larger than the sum of its proper divisors (68411).

104220709 is an equidigital number, since it uses as much as digits as its factorization.

104220709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68410.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 104220709 is about 10208.8544411212. The cubic root of 104220709 is about 470.5993696253.

The spelling of 104220709 in words is "one hundred four million, two hundred twenty thousand, seven hundred nine".