129948160 has 80 divisors (see below), whose sum is σ = 325264896. Its totient is φ = 49696768.

The previous prime is 129948157. The next prime is 129948227. The reversal of 129948160 is 61849921.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 57777 + ... + 59983.

Almost surely, 2^129948160 is an apocalyptic number.

129948160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129948160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162632448).

129948160 is an abundant number, since it is smaller than the sum of its proper divisors (195316736).

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

129948160 is an equidigital number, since it uses as much as digits as its factorization.

129948160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253 (or 2237 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 129948160 is about 11399.4806899262. The cubic root of 129948160 is about 506.5123568249.

The spelling of 129948160 in words is "one hundred twenty-nine million, nine hundred forty-eight thousand, one hundred sixty".