129130567 has 4 divisors (see below), whose sum is σ = 129358080. Its totient is φ = 128903056.

The previous prime is 129130553. The next prime is 129130597. The reversal of 129130567 is 765031921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 129130567 - 2¹⁹ = 128606279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129130537) 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, 112903 + ... + 114040.

It is an arithmetic number, because the mean of its divisors is an integer number (32339520).

Almost surely, 2^129130567 is an apocalyptic number.

129130567 is a deficient number, since it is larger than the sum of its proper divisors (227513).

129130567 is an equidigital number, since it uses as much as digits as its factorization.

129130567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227512.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 129130567 is about 11363.5631295822. The cubic root of 129130567 is about 505.4478489672.

The spelling of 129130567 in words is "one hundred twenty-nine million, one hundred thirty thousand, five hundred sixty-seven".