129303292 has 12 divisors (see below), whose sum is σ = 239591520. Its totient is φ = 60848576.

The previous prime is 129303289. The next prime is 129303311. The reversal of 129303292 is 292303921.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950692 + ... + 950827.

It is an arithmetic number, because the mean of its divisors is an integer number (19965960).

Almost surely, 2^129303292 is an apocalyptic number.

It is an amenable number.

129303292 is a deficient number, since it is larger than the sum of its proper divisors (110288228).

129303292 is a wasteful number, since it uses less digits than its factorization.

129303292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901540 (or 1901538 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 129303292 is about 11371.1605388368. The cubic root of 129303292 is about 505.6731108473.

The spelling of 129303292 in words is "one hundred twenty-nine million, three hundred three thousand, two hundred ninety-two".