104857117 has 4 divisors (see below), whose sum is σ = 105230556. Its totient is φ = 104483680.

The previous prime is 104857099. The next prime is 104857121. The reversal of 104857117 is 711758401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66243321 + 38613796 = 8139^2 + 6214^2 .

It is a cyclic number.

It is not a de Polignac number, because 104857117 - 2¹⁹ = 104332829 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 (104857147) 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, 186298 + ... + 186859.

It is an arithmetic number, because the mean of its divisors is an integer number (26307639).

Almost surely, 2^104857117 is an apocalyptic number.

It is an amenable number.

104857117 is a deficient number, since it is larger than the sum of its proper divisors (373439).

104857117 is an equidigital number, since it uses as much as digits as its factorization.

104857117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373438.

The product of its (nonzero) digits is 7840, while the sum is 34.

The square root of 104857117 is about 10239.9764159885. The cubic root of 104857117 is about 471.5553077903. Note that the first 3 decimals are identical.

The spelling of 104857117 in words is "one hundred four million, eight hundred fifty-seven thousand, one hundred seventeen".