104220547 has 2 divisors, whose sum is σ = 104220548. Its totient is φ = 104220546.

The previous prime is 104220517. The next prime is 104220559. The reversal of 104220547 is 745022401.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104220547 is a prime.

It is not a weakly prime, because it can be changed into another prime (104220517) 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, 52110273 + 52110274.

It is an arithmetic number, because the mean of its divisors is an integer number (52110274).

Almost surely, 2^104220547 is an apocalyptic number.

104220547 is a deficient number, since it is larger than the sum of its proper divisors (1).

104220547 is an equidigital number, since it uses as much as digits as its factorization.

104220547 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 104220547 is about 10208.8465068293. The cubic root of 104220547 is about 470.5991257930.

Adding to 104220547 its reverse (745022401), we get a palindrome (849242948).

The spelling of 104220547 in words is "one hundred four million, two hundred twenty thousand, five hundred forty-seven".