129452 has 6 divisors (see below), whose sum is σ = 226548. Its totient is φ = 64724.

The previous prime is 129449. The next prime is 129457. The reversal of 129452 is 254921.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (129457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16178 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (37758).

2¹²⁹⁴⁵² is an apocalyptic number.

It is an amenable number.

129452 is a deficient number, since it is larger than the sum of its proper divisors (97096).

129452 is a wasteful number, since it uses less digits than its factorization.

129452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32367 (or 32365 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 129452 is about 359.7943857261. The cubic root of 129452 is about 50.5866889950.

The spelling of 129452 in words is "one hundred twenty-nine thousand, four hundred fifty-two".