129960967 has 2 divisors, whose sum is σ = 129960968. Its totient is φ = 129960966.

The previous prime is 129960953. The next prime is 129960997. The reversal of 129960967 is 769069921.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129960967 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129960967.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129960947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64980483 + 64980484.

It is an arithmetic number, because the mean of its divisors is an integer number (64980484).

Almost surely, 2^129960967 is an apocalyptic number.

129960967 is a deficient number, since it is larger than the sum of its proper divisors (1).

129960967 is an equidigital number, since it uses as much as digits as its factorization.

129960967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 129960967 is about 11400.0424122018. The cubic root of 129960967 is about 506.5289960002.

The spelling of 129960967 in words is "one hundred twenty-nine million, nine hundred sixty thousand, nine hundred sixty-seven".