129830752 has 12 divisors (see below), whose sum is σ = 255604356. Its totient is φ = 64915360.

The previous prime is 129830749. The next prime is 129830773. The reversal of 129830752 is 257038921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2028574 + ... + 2028637.

It is an arithmetic number, because the mean of its divisors is an integer number (21300363).

Almost surely, 2^129830752 is an apocalyptic number.

It is an amenable number.

129830752 is a deficient number, since it is larger than the sum of its proper divisors (125773604).

129830752 is an equidigital number, since it uses as much as digits as its factorization.

129830752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057221 (or 4057213 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 129830752 is about 11394.3298179401. The cubic root of 129830752 is about 506.3597664337.

The spelling of 129830752 in words is "one hundred twenty-nine million, eight hundred thirty thousand, seven hundred fifty-two".