129125334 has 32 divisors (see below), whose sum is σ = 279062784. Its totient is φ = 39595680.

The previous prime is 129125327. The next prime is 129125351. The reversal of 129125334 is 433521921.

It is a super-2 number, since 2×129125334² = 33346703761223112, which contains 22 as substring.

It is a congruent number.

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, 21597 + ... + 26919.

It is an arithmetic number, because the mean of its divisors is an integer number (8720712).

Almost surely, 2^129125334 is an apocalyptic number.

129125334 is an abundant number, since it is smaller than the sum of its proper divisors (149937450).

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

129125334 is a wasteful number, since it uses less digits than its factorization.

129125334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5652.

The product of its digits is 6480, while the sum is 30.

The square root of 129125334 is about 11363.3328737655. The cubic root of 129125334 is about 505.4410211381.

The spelling of 129125334 in words is "one hundred twenty-nine million, one hundred twenty-five thousand, three hundred thirty-four".