2104147 has 2 divisors, whose sum is σ = 2104148. Its totient is φ = 2104146.

The previous prime is 2104139. The next prime is 2104159. The reversal of 2104147 is 7414012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104147 - 2³ = 2104139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2104177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052073 + 1052074.

It is an arithmetic number, because the mean of its divisors is an integer number (1052074).

2^2104147 is an apocalyptic number.

2104147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104147 is an equidigital number, since it uses as much as digits as its factorization.

2104147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2104147 is about 1450.5678198554. The cubic root of 2104147 is about 128.1421557040.

Adding to 2104147 its reverse (7414012), we get a palindrome (9518159).

The spelling of 2104147 in words is "two million, one hundred four thousand, one hundred forty-seven".