128330076 has 48 divisors (see below), whose sum is σ = 362347776. Its totient is φ = 34508544.

The previous prime is 128330039. The next prime is 128330099. The reversal of 128330076 is 670033821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43506 + ... + 46361.

It is an arithmetic number, because the mean of its divisors is an integer number (7548912).

Almost surely, 2^128330076 is an apocalyptic number.

It is an amenable number.

128330076 is an abundant number, since it is smaller than the sum of its proper divisors (234017700).

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

128330076 is a wasteful number, since it uses less digits than its factorization.

128330076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89898 (or 89896 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 128330076 is about 11328.2865429861. The cubic root of 128330076 is about 504.4012457302.

Adding to 128330076 its reverse (670033821), we get a palindrome (798363897).

The spelling of 128330076 in words is "one hundred twenty-eight million, three hundred thirty thousand, seventy-six".