129330797 has 6 divisors (see below), whose sum is σ = 131489514. Its totient is φ = 127206960.

The previous prime is 129330767. The next prime is 129330823. The reversal of 129330797 is 797033921.

It can be written as a sum of positive squares in 3 ways, for example, as 14969161 + 114361636 = 3869^2 + 10694^2 .

It is not a de Polignac number, because 129330797 - 2²⁶ = 62221933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129330737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13658 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (21914919).

Almost surely, 2^129330797 is an apocalyptic number.

It is an amenable number.

129330797 is a deficient number, since it is larger than the sum of its proper divisors (2158717).

129330797 is an frugal number, since it uses more digits than its factorization.

129330797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34879 (or 34818 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 129330797 is about 11372.3698937381. The cubic root of 129330797 is about 505.7089633835.

The spelling of 129330797 in words is "one hundred twenty-nine million, three hundred thirty thousand, seven hundred ninety-seven".