129080112 has 60 divisors (see below), whose sum is σ = 387905976. Its totient is φ = 36879360.

The previous prime is 129080101. The next prime is 129080153. The reversal of 129080112 is 211080921.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25089 + ... + 29792.

Almost surely, 2^129080112 is an apocalyptic number.

129080112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

129080112 is an abundant number, since it is smaller than the sum of its proper divisors (258825864).

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

129080112 is a wasteful number, since it uses less digits than its factorization.

129080112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54906 (or 54893 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 129080112 is about 11361.3428783749. The cubic root of 129080112 is about 505.3820094219.

The spelling of 129080112 in words is "one hundred twenty-nine million, eighty thousand, one hundred twelve".