129147607 has 2 divisors, whose sum is σ = 129147608. Its totient is φ = 129147606.

The previous prime is 129147593. The next prime is 129147653. The reversal of 129147607 is 706741921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129147607 - 2¹¹ = 129145559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129147677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64573803 + 64573804.

It is an arithmetic number, because the mean of its divisors is an integer number (64573804).

Almost surely, 2^129147607 is an apocalyptic number.

129147607 is a deficient number, since it is larger than the sum of its proper divisors (1).

129147607 is an equidigital number, since it uses as much as digits as its factorization.

129147607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 129147607 is about 11364.3128696811. The cubic root of 129147607 is about 505.4700808646.

The spelling of 129147607 in words is "one hundred twenty-nine million, one hundred forty-seven thousand, six hundred seven".