129488563 has 4 divisors (see below), whose sum is σ = 129676648. Its totient is φ = 129300480.

The previous prime is 129488533. The next prime is 129488573. The reversal of 129488563 is 365884921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365884921 = 3001 ⋅121921.

It is a cyclic number.

It is not a de Polignac number, because 129488563 - 2⁵ = 129488531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129488533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93006 + ... + 94387.

It is an arithmetic number, because the mean of its divisors is an integer number (32419162).

Almost surely, 2^129488563 is an apocalyptic number.

129488563 is a deficient number, since it is larger than the sum of its proper divisors (188085).

129488563 is an equidigital number, since it uses as much as digits as its factorization.

129488563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188084.

The product of its digits is 414720, while the sum is 46.

The square root of 129488563 is about 11379.3041527151. The cubic root of 129488563 is about 505.9145119004.

The spelling of 129488563 in words is "one hundred twenty-nine million, four hundred eighty-eight thousand, five hundred sixty-three".