104821471 has 2 divisors, whose sum is σ = 104821472. Its totient is φ = 104821470.

The previous prime is 104821469. The next prime is 104821477. The reversal of 104821471 is 174128401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104821471 - 2¹ = 104821469 is a prime.

It is a super-3 number, since 3×104821471³ (a number of 25 digits) contains 333 as substring.

Together with 104821469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104821477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52410735 + 52410736.

It is an arithmetic number, because the mean of its divisors is an integer number (52410736).

Almost surely, 2^104821471 is an apocalyptic number.

104821471 is a deficient number, since it is larger than the sum of its proper divisors (1).

104821471 is an equidigital number, since it uses as much as digits as its factorization.

104821471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 104821471 is about 10238.2357366882. The cubic root of 104821471 is about 471.5018669238.

Adding to 104821471 its reverse (174128401), we get a palindrome (278949872).

The spelling of 104821471 in words is "one hundred four million, eight hundred twenty-one thousand, four hundred seventy-one".