129630792 has 64 divisors (see below), whose sum is σ = 332398080. Its totient is φ = 42112512.

The previous prime is 129630791. The next prime is 129630793. The reversal of 129630792 is 297036921.

129630792 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (129630791) and next prime (129630793).

It is a self number, because there is not a number n which added to its sum of digits gives 129630792.

It is not an unprimeable number, because it can be changed into a prime (129630791) 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 15 ways as a sum of consecutive naturals, for example, 283428 + ... + 283884.

It is an arithmetic number, because the mean of its divisors is an integer number (5193720).

Almost surely, 2^129630792 is an apocalyptic number.

129630792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129630792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166199040).

129630792 is an abundant number, since it is smaller than the sum of its proper divisors (202767288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129630792 is a wasteful number, since it uses less digits than its factorization.

129630792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 129630792 is about 11385.5518970316. The cubic root of 129630792 is about 506.0996746781.

The spelling of 129630792 in words is "one hundred twenty-nine million, six hundred thirty thousand, seven hundred ninety-two".