129482276 has 24 divisors (see below), whose sum is σ = 282507456. Its totient is φ = 50447520.

The previous prime is 129482263. The next prime is 129482279. The reversal of 129482276 is 672284921.

It is not an unprimeable number, because it can be changed into a prime (129482279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209891 + ... + 210506.

It is an arithmetic number, because the mean of its divisors is an integer number (11771144).

Almost surely, 2^129482276 is an apocalyptic number.

It is an amenable number.

129482276 is an abundant number, since it is smaller than the sum of its proper divisors (153025180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129482276 is a wasteful number, since it uses less digits than its factorization.

129482276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420419 (or 420417 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 129482276 is about 11379.0279022419. The cubic root of 129482276 is about 505.9063239545.

The spelling of 129482276 in words is "one hundred twenty-nine million, four hundred eighty-two thousand, two hundred seventy-six".