104405047 has 2 divisors, whose sum is σ = 104405048. Its totient is φ = 104405046.

The previous prime is 104405039. The next prime is 104405051. The reversal of 104405047 is 740504401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104405047 - 2³ = 104405039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104405647) 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, 52202523 + 52202524.

It is an arithmetic number, because the mean of its divisors is an integer number (52202524).

Almost surely, 2^104405047 is an apocalyptic number.

104405047 is a deficient number, since it is larger than the sum of its proper divisors (1).

104405047 is an equidigital number, since it uses as much as digits as its factorization.

104405047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 104405047 is about 10217.8787916084. The cubic root of 104405047 is about 470.8766601700.

Adding to 104405047 its reverse (740504401), we get a palindrome (844909448).

The spelling of 104405047 in words is "one hundred four million, four hundred five thousand, forty-seven".