129510230 has 32 divisors (see below), whose sum is σ = 244252800. Its totient is φ = 49375872.

The previous prime is 129510211. The next prime is 129510299. The reversal of 129510230 is 32015921.

It is a junction number, because it is equal to n+sod(n) for n = 129510196 and 129510205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20084 + ... + 25736.

It is an arithmetic number, because the mean of its divisors is an integer number (7632900).

Almost surely, 2^129510230 is an apocalyptic number.

129510230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129510230 is a deficient number, since it is larger than the sum of its proper divisors (114742570).

129510230 is a wasteful number, since it uses less digits than its factorization.

129510230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 129510230 is about 11380.2561482596. The cubic root of 129510230 is about 505.9427281333.

The spelling of 129510230 in words is "one hundred twenty-nine million, five hundred ten thousand, two hundred thirty".