104805247 has 4 divisors (see below), whose sum is σ = 104877216. Its totient is φ = 104733280.

The previous prime is 104805241. The next prime is 104805263. The reversal of 104805247 is 742508401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742508401 = 41 ⋅18109961.

It is a cyclic number.

It is not a de Polignac number, because 104805247 - 2¹⁹ = 104280959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104805241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33754 + ... + 36727.

It is an arithmetic number, because the mean of its divisors is an integer number (26219304).

Almost surely, 2^104805247 is an apocalyptic number.

104805247 is a deficient number, since it is larger than the sum of its proper divisors (71969).

104805247 is an equidigital number, since it uses as much as digits as its factorization.

104805247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71968.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 104805247 is about 10237.4433820168. The cubic root of 104805247 is about 471.4775397164.

The spelling of 104805247 in words is "one hundred four million, eight hundred five thousand, two hundred forty-seven".