128379120 has 40 divisors (see below), whose sum is σ = 397976016. Its totient is φ = 34234368.

The previous prime is 128379109. The next prime is 128379127. The reversal of 128379120 is 21973821.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128379127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267217 + ... + 267696.

Almost surely, 2^128379120 is an apocalyptic number.

128379120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128379120 is an abundant number, since it is smaller than the sum of its proper divisors (269596896).

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

128379120 is a wasteful number, since it uses less digits than its factorization.

128379120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534929 (or 534923 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 128379120 is about 11330.4510060280. The cubic root of 128379120 is about 504.4654933454.

The spelling of 128379120 in words is "one hundred twenty-eight million, three hundred seventy-nine thousand, one hundred twenty".