129467572 has 12 divisors (see below), whose sum is σ = 243996676. Its totient is φ = 59754240.

The previous prime is 129467567. The next prime is 129467573. The reversal of 129467572 is 275764921.

It can be written as a sum of positive squares in 2 ways, for example, as 27941796 + 101525776 = 5286^2 + 10076^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129467573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244829 + ... + 1244932.

Almost surely, 2^129467572 is an apocalyptic number.

It is an amenable number.

129467572 is a deficient number, since it is larger than the sum of its proper divisors (114529104).

129467572 is a wasteful number, since it uses less digits than its factorization.

129467572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489778 (or 2489776 counting only the distinct ones).

The product of its digits is 211680, while the sum is 43.

The square root of 129467572 is about 11378.3817830129. The cubic root of 129467572 is about 505.8871729983.

The spelling of 129467572 in words is "one hundred twenty-nine million, four hundred sixty-seven thousand, five hundred seventy-two".