129082552 has 8 divisors (see below), whose sum is σ = 242029800. Its totient is φ = 64541272.

The previous prime is 129082549. The next prime is 129082559. The reversal of 129082552 is 255280921.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129082559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8067652 + ... + 8067667.

It is an arithmetic number, because the mean of its divisors is an integer number (30253725).

Almost surely, 2^129082552 is an apocalyptic number.

It is an amenable number.

129082552 is a deficient number, since it is larger than the sum of its proper divisors (112947248).

129082552 is a wasteful number, since it uses less digits than its factorization.

129082552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16135325 (or 16135321 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 129082552 is about 11361.4502595399. The cubic root of 129082552 is about 505.3851938121.

The spelling of 129082552 in words is "one hundred twenty-nine million, eighty-two thousand, five hundred fifty-two".