129488 has 10 divisors (see below), whose sum is σ = 250914. Its totient is φ = 64736.

The previous prime is 129469. The next prime is 129491. The reversal of 129488 is 884921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 107584 + 21904 = 328^2 + 148^2 .

It is a congruent number.

It is an unprimeable number.

129488 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4031 + ... + 4062.

2¹²⁹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

129488 is a deficient number, since it is larger than the sum of its proper divisors (121426).

129488 is an equidigital number, since it uses as much as digits as its factorization.

129488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101 (or 8095 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 129488 is about 359.8444108222. The cubic root of 129488 is about 50.5913778682.

The spelling of 129488 in words is "one hundred twenty-nine thousand, four hundred eighty-eight".