104147129 has 4 divisors (see below), whose sum is σ = 105573876. Its totient is φ = 102720384.

The previous prime is 104147123. The next prime is 104147171. The reversal of 104147129 is 921741401.

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 19009600 + 85137529 = 4360^2 + 9227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104147129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104147123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713264 + ... + 713409.

It is an arithmetic number, because the mean of its divisors is an integer number (26393469).

Almost surely, 2^104147129 is an apocalyptic number.

It is an amenable number.

104147129 is a deficient number, since it is larger than the sum of its proper divisors (1426747).

104147129 is an equidigital number, since it uses as much as digits as its factorization.

104147129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426746.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 104147129 is about 10205.2500704294. The cubic root of 104147129 is about 470.4885955639.

The spelling of 104147129 in words is "one hundred four million, one hundred forty-seven thousand, one hundred twenty-nine".