104871709 has 2 divisors, whose sum is σ = 104871710. Its totient is φ = 104871708.

The previous prime is 104871707. The next prime is 104871731. The reversal of 104871709 is 907178401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103124025 + 1747684 = 10155^2 + 1322^2 .

It is a cyclic number.

It is not a de Polignac number, because 104871709 - 2¹ = 104871707 is a prime.

Together with 104871707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104871707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52435854 + 52435855.

It is an arithmetic number, because the mean of its divisors is an integer number (52435855).

Almost surely, 2^104871709 is an apocalyptic number.

It is an amenable number.

104871709 is a deficient number, since it is larger than the sum of its proper divisors (1).

104871709 is an equidigital number, since it uses as much as digits as its factorization.

104871709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 104871709 is about 10240.6888928431. The cubic root of 104871709 is about 471.5771807800.

The spelling of 104871709 in words is "one hundred four million, eight hundred seventy-one thousand, seven hundred nine".