129468472 has 32 divisors (see below), whose sum is σ = 289497600. Its totient is φ = 53073504.

The previous prime is 129468467. The next prime is 129468497. The reversal of 129468472 is 274864921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48972 + ... + 51547.

It is an arithmetic number, because the mean of its divisors is an integer number (9046800).

Almost surely, 2^129468472 is an apocalyptic number.

It is an amenable number.

129468472 is an abundant number, since it is smaller than the sum of its proper divisors (160029128).

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

129468472 is a wasteful number, since it uses less digits than its factorization.

129468472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100555 (or 100551 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 129468472 is about 11378.4213316259. The cubic root of 129468472 is about 505.8883452285. Note that the first 3 decimals are identical.

The spelling of 129468472 in words is "one hundred twenty-nine million, four hundred sixty-eight thousand, four hundred seventy-two".