104200247 has 2 divisors, whose sum is σ = 104200248. Its totient is φ = 104200246.

The previous prime is 104200231. The next prime is 104200253. The reversal of 104200247 is 742002401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104200247 - 2⁴ = 104200231 is a prime.

It is a super-2 number, since 2×104200247² = 21715382949722018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104200297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52100123 + 52100124.

It is an arithmetic number, because the mean of its divisors is an integer number (52100124).

Almost surely, 2^104200247 is an apocalyptic number.

104200247 is a deficient number, since it is larger than the sum of its proper divisors (1).

104200247 is an equidigital number, since it uses as much as digits as its factorization.

104200247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 104200247 is about 10207.8522226764. The cubic root of 104200247 is about 470.5685694941.

Adding to 104200247 its reverse (742002401), we get a palindrome (846202648).

The spelling of 104200247 in words is "one hundred four million, two hundred thousand, two hundred forty-seven".