129147563 has 2 divisors, whose sum is σ = 129147564. Its totient is φ = 129147562.

The previous prime is 129147559. The next prime is 129147569. The reversal of 129147563 is 365741921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129147563 - 2² = 129147559 is a prime.

It is not a weakly prime, because it can be changed into another prime (129147569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64573781 + 64573782.

It is an arithmetic number, because the mean of its divisors is an integer number (64573782).

Almost surely, 2^129147563 is an apocalyptic number.

129147563 is a deficient number, since it is larger than the sum of its proper divisors (1).

129147563 is an equidigital number, since it uses as much as digits as its factorization.

129147563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 129147563 is about 11364.3109337962. The cubic root of 129147563 is about 505.4700234608.

The spelling of 129147563 in words is "one hundred twenty-nine million, one hundred forty-seven thousand, five hundred sixty-three".