129152999 has 2 divisors, whose sum is σ = 129153000. Its totient is φ = 129152998.

The previous prime is 129152963. The next prime is 129153001. The reversal of 129152999 is 999251921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129152999 - 2⁸ = 129152743 is a prime.

Together with 129153001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129151999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64576499 + 64576500.

It is an arithmetic number, because the mean of its divisors is an integer number (64576500).

Almost surely, 2^129152999 is an apocalyptic number.

129152999 is a deficient number, since it is larger than the sum of its proper divisors (1).

129152999 is an equidigital number, since it uses as much as digits as its factorization.

129152999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131220, while the sum is 47.

The square root of 129152999 is about 11364.5501010819. The cubic root of 129152999 is about 505.4771153393.

The spelling of 129152999 in words is "one hundred twenty-nine million, one hundred fifty-two thousand, nine hundred ninety-nine".