128379028 has 12 divisors (see below), whose sum is σ = 226763712. Its totient is φ = 63589400.

The previous prime is 128379023. The next prime is 128379073. The reversal of 128379028 is 820973821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128379023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149548 + ... + 150403.

It is an arithmetic number, because the mean of its divisors is an integer number (18896976).

Almost surely, 2^128379028 is an apocalyptic number.

It is an amenable number.

128379028 is a deficient number, since it is larger than the sum of its proper divisors (98384684).

128379028 is a wasteful number, since it uses less digits than its factorization.

128379028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300062 (or 300060 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 128379028 is about 11330.4469461712. The cubic root of 128379028 is about 504.4653728407.

The spelling of 128379028 in words is "one hundred twenty-eight million, three hundred seventy-nine thousand, twenty-eight".