128030 has 32 divisors (see below), whose sum is σ = 276480. Its totient is φ = 41760.

The previous prime is 128021. The next prime is 128033. The reversal of 128030 is 30821.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 127996 and 128014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2141 + ... + 2199.

It is an arithmetic number, because the mean of its divisors is an integer number (8640).

2¹²⁸⁰³⁰ is an apocalyptic number.

128030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128030 is an abundant number, since it is smaller than the sum of its proper divisors (148450).

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

128030 is a wasteful number, since it uses less digits than its factorization.

128030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 128030 is about 357.8128002182. The cubic root of 128030 is about 50.4007789415.

Adding to 128030 its reverse (30821), we get a palindrome (158851).

The spelling of 128030 in words is "one hundred twenty-eight thousand, thirty".