128219 has 8 divisors (see below), whose sum is σ = 157920. Its totient is φ = 101376.

The previous prime is 128213. The next prime is 128221. The reversal of 128219 is 912821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 128219 - 2⁴ = 128203 is a prime.

It is a super-2 number, since 2×128219² = 32880223922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128194 and 128203.

It is not an unprimeable number, because it can be changed into a prime (128213) 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, 614 + ... + 795.

It is an arithmetic number, because the mean of its divisors is an integer number (19740).

2¹²⁸²¹⁹ is an apocalyptic number.

128219 is a deficient number, since it is larger than the sum of its proper divisors (29701).

128219 is a wasteful number, since it uses less digits than its factorization.

128219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its digits is 288, while the sum is 23.

The square root of 128219 is about 358.0768074031. The cubic root of 128219 is about 50.4255675684.

The spelling of 128219 in words is "one hundred twenty-eight thousand, two hundred nineteen".