129458952 has 64 divisors (see below), whose sum is σ = 410985600. Its totient is φ = 36987840.

The previous prime is 129458947. The next prime is 129458969. The reversal of 129458952 is 259854921.

It is a happy number.

129458952 is a `hidden beast` number, since 12 + 9 + 4 + 589 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 129458898 and 129458907.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41299 + ... + 44322.

It is an arithmetic number, because the mean of its divisors is an integer number (6421650).

Almost surely, 2^129458952 is an apocalyptic number.

129458952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129458952 is an abundant number, since it is smaller than the sum of its proper divisors (281526648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129458952 is a wasteful number, since it uses less digits than its factorization.

129458952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85643 (or 85633 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 129458952 is about 11378.0029882225. The cubic root of 129458952 is about 505.8759453626.

The spelling of 129458952 in words is "one hundred twenty-nine million, four hundred fifty-eight thousand, nine hundred fifty-two".