128404119 has 8 divisors (see below), whose sum is σ = 174107520. Its totient is φ = 84151736.

The previous prime is 128404117. The next prime is 128404123. The reversal of 128404119 is 911404821.

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 128404119 - 2¹ = 128404117 is a prime.

It is a super-2 number, since 2×128404119² = 32975235552332322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128404117) 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, 362547 + ... + 362900.

It is an arithmetic number, because the mean of its divisors is an integer number (21763440).

Almost surely, 2^128404119 is an apocalyptic number.

128404119 is a deficient number, since it is larger than the sum of its proper divisors (45703401).

128404119 is an equidigital number, since it uses as much as digits as its factorization.

128404119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725509.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 128404119 is about 11331.5541299506. The cubic root of 128404119 is about 504.4982357269.

The spelling of 128404119 in words is "one hundred twenty-eight million, four hundred four thousand, one hundred nineteen".