129052930 has 16 divisors (see below), whose sum is σ = 232424640. Its totient is φ = 51592432.

The previous prime is 129052909. The next prime is 129052939. The reversal of 129052930 is 39250921.

It is a junction number, because it is equal to n+sod(n) for n = 129052892 and 129052901.

It is not an unprimeable number, because it can be changed into a prime (129052939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33441 + ... + 37099.

It is an arithmetic number, because the mean of its divisors is an integer number (14526540).

Almost surely, 2^129052930 is an apocalyptic number.

129052930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129052930 is a deficient number, since it is larger than the sum of its proper divisors (103371710).

129052930 is a wasteful number, since it uses less digits than its factorization.

129052930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 129052930 is about 11360.1465659559. The cubic root of 129052930 is about 505.3465320791.

The spelling of 129052930 in words is "one hundred twenty-nine million, fifty-two thousand, nine hundred thirty".