129527 has 2 divisors, whose sum is σ = 129528. Its totient is φ = 129526.

The previous prime is 129517. The next prime is 129529. The reversal of 129527 is 725921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129527 - 2¹⁴ = 113143 is a prime.

Together with 129529, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 129496 and 129505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64763 + 64764.

It is an arithmetic number, because the mean of its divisors is an integer number (64764).

2¹²⁹⁵²⁷ is an apocalyptic number.

129527 is a deficient number, since it is larger than the sum of its proper divisors (1).

129527 is an equidigital number, since it uses as much as digits as its factorization.

129527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 129527 is about 359.8985968297. The cubic root of 129527 is about 50.5964565001.

It can be divided in two parts, 129 and 527, that added together give a palindrome (656).

The spelling of 129527 in words is "one hundred twenty-nine thousand, five hundred twenty-seven".