129300300 has 216 divisors, whose sum is σ = 446440176. Its totient is φ = 32348160.

The previous prime is 129300289. The next prime is 129300307. The reversal of 129300300 is 3003921.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (129300307) 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 71 ways as a sum of consecutive naturals, for example, 412944 + ... + 413256.

Almost surely, 2^129300300 is an apocalyptic number.

129300300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129300300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223220088).

129300300 is an abundant number, since it is smaller than the sum of its proper divisors (317139876).

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

129300300 is a wasteful number, since it uses less digits than its factorization.

129300300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 129300300 is about 11371.0289771858. The cubic root of 129300300 is about 505.6692104939.

It can be divided in two parts, 129300 and 300, that added together give a square (129600 = 360²).

The spelling of 129300300 in words is "one hundred twenty-nine million, three hundred thousand, three hundred".