129803792 has 10 divisors (see below), whose sum is σ = 251494878. Its totient is φ = 64901888.

The previous prime is 129803771. The next prime is 129803809. The reversal of 129803792 is 297308921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 111175936 + 18627856 = 10544^2 + 4316^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056353 + ... + 4056384.

Almost surely, 2^129803792 is an apocalyptic number.

It is an amenable number.

129803792 is a deficient number, since it is larger than the sum of its proper divisors (121691086).

129803792 is an equidigital number, since it uses as much as digits as its factorization.

129803792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8112745 (or 8112739 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 129803792 is about 11393.1467119492. The cubic root of 129803792 is about 506.3247146345.

The spelling of 129803792 in words is "one hundred twenty-nine million, eight hundred three thousand, seven hundred ninety-two".