129052629 has 16 divisors (see below), whose sum is σ = 191505600. Its totient is φ = 85892688.

The previous prime is 129052607. The next prime is 129052643. The reversal of 129052629 is 926250921.

It is a happy number.

129052629 is a `hidden beast` number, since 1 + 29 + 0 + 5 + 2 + 629 = 666.

It is not a de Polignac number, because 129052629 - 2⁷ = 129052501 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 129052593 and 129052602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129052699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14167 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (11969100).

Almost surely, 2^129052629 is an apocalyptic number.

It is an amenable number.

129052629 is a deficient number, since it is larger than the sum of its proper divisors (62452971).

129052629 is an equidigital number, since it uses as much as digits as its factorization.

129052629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7921 (or 7915 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 129052629 is about 11360.1333178797. The cubic root of 129052629 is about 505.3461391927.

The spelling of 129052629 in words is "one hundred twenty-nine million, fifty-two thousand, six hundred twenty-nine".