129011676 has 24 divisors (see below), whose sum is σ = 301875840. Its totient is φ = 42882672.

The previous prime is 129011627. The next prime is 129011681. The reversal of 129011676 is 676110921.

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, 10666 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (12578160).

Almost surely, 2^129011676 is an apocalyptic number.

It is an amenable number.

129011676 is an abundant number, since it is smaller than the sum of its proper divisors (172864164).

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

129011676 is a wasteful number, since it uses less digits than its factorization.

129011676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30313 (or 30311 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 129011676 is about 11358.3306872093. The cubic root of 129011676 is about 505.2926787553.

The spelling of 129011676 in words is "one hundred twenty-nine million, eleven thousand, six hundred seventy-six".