104221017 has 6 divisors (see below), whose sum is σ = 150541482. Its totient is φ = 69480672.

The previous prime is 104221009. The next prime is 104221031. The reversal of 104221017 is 710122401.

It can be written as a sum of positive squares in only one way, i.e., 103002201 + 1218816 = 10149^2 + 1104^2 .

It is not a de Polignac number, because 104221017 - 2³ = 104221009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104221037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5790048 + ... + 5790065.

It is an arithmetic number, because the mean of its divisors is an integer number (25090247).

Almost surely, 2^104221017 is an apocalyptic number.

It is an amenable number.

104221017 is a deficient number, since it is larger than the sum of its proper divisors (46320465).

104221017 is a wasteful number, since it uses less digits than its factorization.

104221017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580119 (or 11580116 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 104221017 is about 10208.8695260543. The cubic root of 104221017 is about 470.5998332071.

Adding to 104221017 its reverse (710122401), we get a palindrome (814343418).

The spelling of 104221017 in words is "one hundred four million, two hundred twenty-one thousand, seventeen".