129603328 has 18 divisors (see below), whose sum is σ = 258700904. Its totient is φ = 64801536.

The previous prime is 129603323. The next prime is 129603379. The reversal of 129603328 is 823306921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 129603293 and 129603302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129603323) 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 as a sum of consecutive naturals, namely, 252876 + ... + 253387.

Almost surely, 2^129603328 is an apocalyptic number.

It is an amenable number.

129603328 is a deficient number, since it is larger than the sum of its proper divisors (129097576).

129603328 is an frugal number, since it uses more digits than its factorization.

129603328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506279 (or 506265 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 129603328 is about 11384.3457431686. The cubic root of 129603328 is about 506.0639308475.

The spelling of 129603328 in words is "one hundred twenty-nine million, six hundred three thousand, three hundred twenty-eight".