104212417 has 2 divisors, whose sum is σ = 104212418. Its totient is φ = 104212416.

The previous prime is 104212373. The next prime is 104212429. The reversal of 104212417 is 714212401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91317136 + 12895281 = 9556^2 + 3591^2 .

It is a cyclic number.

It is not a de Polignac number, because 104212417 - 2²³ = 95823809 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (104212477) 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 as a sum of consecutive naturals, namely, 52106208 + 52106209.

It is an arithmetic number, because the mean of its divisors is an integer number (52106209).

Almost surely, 2^104212417 is an apocalyptic number.

It is an amenable number.

104212417 is a deficient number, since it is larger than the sum of its proper divisors (1).

104212417 is an equidigital number, since it uses as much as digits as its factorization.

104212417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 104212417 is about 10208.4483149987. The cubic root of 104212417 is about 470.5868886974.

Adding to 104212417 its reverse (714212401), we get a palindrome (818424818).

It can be divided in two parts, 104 and 212417, that added together give a square (212521 = 461²).

The spelling of 104212417 in words is "one hundred four million, two hundred twelve thousand, four hundred seventeen".