129230200 has 48 divisors (see below), whose sum is σ = 327780360. Its totient is φ = 46992000.

The previous prime is 129230197. The next prime is 129230201. The reversal of 129230200 is 2032921.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129230201) 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 11 ways as a sum of consecutive naturals, for example, 27171 + ... + 31570.

Almost surely, 2^129230200 is an apocalyptic number.

129230200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129230200 is an abundant number, since it is smaller than the sum of its proper divisors (198550160).

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

129230200 is a wasteful number, since it uses less digits than its factorization.

129230200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58768 (or 58759 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 129230200 is about 11367.9461645453. The cubic root of 129230200 is about 505.5778113260.

The spelling of 129230200 in words is "one hundred twenty-nine million, two hundred thirty thousand, two hundred".