129152 has 16 divisors (see below), whose sum is σ = 257550. Its totient is φ = 64512.

The previous prime is 129127. The next prime is 129169. The reversal of 129152 is 251921.

It can be written as a sum of positive squares in only one way, i.e., 118336 + 10816 = 344^2 + 104^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

129152 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377 + ... + 632.

2¹²⁹¹⁵² is an apocalyptic number.

It is an amenable number.

129152 is a deficient number, since it is larger than the sum of its proper divisors (128398).

129152 is an equidigital number, since it uses as much as digits as its factorization.

129152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1011 counting only the distinct ones).

The product of its digits is 180, while the sum is 20.

The square root of 129152 is about 359.3772391235. The cubic root of 129152 is about 50.5475812045.

The spelling of 129152 in words is "one hundred twenty-nine thousand, one hundred fifty-two".