129532124 has 12 divisors (see below), whose sum is σ = 229412904. Its totient is φ = 63985584.

The previous prime is 129532111. The next prime is 129532133. The reversal of 129532124 is 421235921.

It is a super-2 number, since 2×129532124² = 33557142295902752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194747 + ... + 195410.

It is an arithmetic number, because the mean of its divisors is an integer number (19117742).

Almost surely, 2^129532124 is an apocalyptic number.

It is an amenable number.

129532124 is a deficient number, since it is larger than the sum of its proper divisors (99880780).

129532124 is a wasteful number, since it uses less digits than its factorization.

129532124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390244 (or 390242 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 129532124 is about 11381.2180367481. The cubic root of 129532124 is about 505.9712367846.

The spelling of 129532124 in words is "one hundred twenty-nine million, five hundred thirty-two thousand, one hundred twenty-four".