129962452 has 12 divisors (see below), whose sum is σ = 231163156. Its totient is φ = 63915840.

The previous prime is 129962449. The next prime is 129962471. The reversal of 129962452 is 254269921.

129962452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 124411716 = 2356^2 + 11154^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266073 + ... + 266560.

Almost surely, 2^129962452 is an apocalyptic number.

It is an amenable number.

129962452 is a deficient number, since it is larger than the sum of its proper divisors (101200704).

129962452 is a wasteful number, since it uses less digits than its factorization.

129962452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532698 (or 532696 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 129962452 is about 11400.1075433524. The cubic root of 129962452 is about 506.5309252787.

The spelling of 129962452 in words is "one hundred twenty-nine million, nine hundred sixty-two thousand, four hundred fifty-two".