128341219 has 18 divisors (see below), whose sum is σ = 142485980. Its totient is φ = 115270848.

The previous prime is 128341217. The next prime is 128341223. The reversal of 128341219 is 912143821.

It is not a de Polignac number, because 128341219 - 2¹ = 128341217 is a prime.

It is a super-2 number, since 2×128341219² = 32942936988811922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128341217) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1135707 + ... + 1135819.

Almost surely, 2^128341219 is an apocalyptic number.

128341219 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

128341219 is a deficient number, since it is larger than the sum of its proper divisors (14144761).

128341219 is an equidigital number, since it uses as much as digits as its factorization.

128341219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 155 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 128341219 is about 11328.7783542622. The cubic root of 128341219 is about 504.4158444914.

The spelling of 128341219 in words is "one hundred twenty-eight million, three hundred forty-one thousand, two hundred nineteen".