104212477 has 2 divisors, whose sum is σ = 104212478. Its totient is φ = 104212476.

The previous prime is 104212463. The next prime is 104212487. The reversal of 104212477 is 774212401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81830116 + 22382361 = 9046^2 + 4731^2 .

It is an emirp because it is prime and its reverse (774212401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104212477 - 2¹¹ = 104210429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104212417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52106238 + 52106239.

It is an arithmetic number, because the mean of its divisors is an integer number (52106239).

Almost surely, 2^104212477 is an apocalyptic number.

It is an amenable number.

104212477 is a deficient number, since it is larger than the sum of its proper divisors (1).

104212477 is an equidigital number, since it uses as much as digits as its factorization.

104212477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 104212477 is about 10208.4512537407. The cubic root of 104212477 is about 470.5869790104.

Adding to 104212477 its reverse (774212401), we get a palindrome (878424878).

The spelling of 104212477 in words is "one hundred four million, two hundred twelve thousand, four hundred seventy-seven".