128069119 has 4 divisors (see below), whose sum is σ = 128106000. Its totient is φ = 128032240.

The previous prime is 128069113. The next prime is 128069141. The reversal of 128069119 is 911960821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911960821 = 31 ⋅29418091.

It is a cyclic number.

It is not a de Polignac number, because 128069119 - 2¹⁵ = 128036351 is a prime.

It is a super-2 number, since 2×128069119² = 32803398482872322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128069113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12619 + ... + 20380.

It is an arithmetic number, because the mean of its divisors is an integer number (32026500).

Almost surely, 2^128069119 is an apocalyptic number.

128069119 is a deficient number, since it is larger than the sum of its proper divisors (36881).

128069119 is an equidigital number, since it uses as much as digits as its factorization.

128069119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36880.

The product of its (nonzero) digits is 7776, while the sum is 37.

The square root of 128069119 is about 11316.7627438239. The cubic root of 128069119 is about 504.0591166379.

The spelling of 128069119 in words is "one hundred twenty-eight million, sixty-nine thousand, one hundred nineteen".