129871059 has 16 divisors (see below), whose sum is σ = 179441664. Its totient is φ = 83462400.

The previous prime is 129871043. The next prime is 129871081. The reversal of 129871059 is 950178921.

It is not a de Polignac number, because 129871059 - 2⁴ = 129871043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129871059.

It is not an unprimeable number, because it can be changed into a prime (129871039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22627 + ... + 27779.

It is an arithmetic number, because the mean of its divisors is an integer number (11215104).

Almost surely, 2^129871059 is an apocalyptic number.

129871059 is a deficient number, since it is larger than the sum of its proper divisors (49570605).

129871059 is a wasteful number, since it uses less digits than its factorization.

129871059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 129871059 is about 11396.0984112985. The cubic root of 129871059 is about 506.4121621643.

The spelling of 129871059 in words is "one hundred twenty-nine million, eight hundred seventy-one thousand, fifty-nine".