873129105 has 128 divisors (see below), whose sum is σ = 1716387840. Its totient is φ = 419696640.

The previous prime is 873129091. The next prime is 873129109. The reversal of 873129105 is 501921378.

It is not a de Polignac number, because 873129105 - 2⁵ = 873129073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 873129105.

It is not an unprimeable number, because it can be changed into a prime (873129109) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4523889 + ... + 4524081.

It is an arithmetic number, because the mean of its divisors is an integer number (13409280).

Almost surely, 2^873129105 is an apocalyptic number.

It is an amenable number.

873129105 is a deficient number, since it is larger than the sum of its proper divisors (843258735).

873129105 is a wasteful number, since it uses less digits than its factorization.

873129105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 873129105 is about 29548.7580957305. The cubic root of 873129105 is about 955.7834109719.

The spelling of 873129105 in words is "eight hundred seventy-three million, one hundred twenty-nine thousand, one hundred five".