129950059 has 2 divisors, whose sum is σ = 129950060. Its totient is φ = 129950058.

The previous prime is 129950039. The next prime is 129950071. The reversal of 129950059 is 950059921.

It is a strong prime.

It is an emirp because it is prime and its reverse (950059921) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129950059 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (129950039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64975029 + 64975030.

It is an arithmetic number, because the mean of its divisors is an integer number (64975030).

Almost surely, 2^129950059 is an apocalyptic number.

129950059 is a deficient number, since it is larger than the sum of its proper divisors (1).

129950059 is an equidigital number, since it uses as much as digits as its factorization.

129950059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 40.

The square root of 129950059 is about 11399.5639828899. The cubic root of 129950059 is about 506.5148241223.

The spelling of 129950059 in words is "one hundred twenty-nine million, nine hundred fifty thousand, fifty-nine".