129160965 has 8 divisors (see below), whose sum is σ = 206657568. Its totient is φ = 68885840.

The previous prime is 129160963. The next prime is 129160981. The reversal of 129160965 is 569061921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129160965 - 2¹ = 129160963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129160963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4305351 + ... + 4305380.

It is an arithmetic number, because the mean of its divisors is an integer number (25832196).

Almost surely, 2^129160965 is an apocalyptic number.

129160965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

129160965 is a deficient number, since it is larger than the sum of its proper divisors (77496603).

129160965 is an equidigital number, since it uses as much as digits as its factorization.

129160965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610739.

The product of its (nonzero) digits is 29160, while the sum is 39.

The square root of 129160965 is about 11364.9005714964. The cubic root of 129160965 is about 505.4875075304.

The spelling of 129160965 in words is "one hundred twenty-nine million, one hundred sixty thousand, nine hundred sixty-five".