104206147 has 2 divisors, whose sum is σ = 104206148. Its totient is φ = 104206146.

The previous prime is 104206139. The next prime is 104206153. The reversal of 104206147 is 741602401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104206147 - 2³ = 104206139 is a prime.

It is not a weakly prime, because it can be changed into another prime (104206187) 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, 52103073 + 52103074.

It is an arithmetic number, because the mean of its divisors is an integer number (52103074).

Almost surely, 2^104206147 is an apocalyptic number.

104206147 is a deficient number, since it is larger than the sum of its proper divisors (1).

104206147 is an equidigital number, since it uses as much as digits as its factorization.

104206147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 104206147 is about 10208.1412117976. The cubic root of 104206147 is about 470.5774507979.

Adding to 104206147 its reverse (741602401), we get a palindrome (845808548).

The spelling of 104206147 in words is "one hundred four million, two hundred six thousand, one hundred forty-seven".