128219241 has 8 divisors (see below), whose sum is σ = 172619200. Its totient is φ = 84649392.

The previous prime is 128219233. The next prime is 128219251. The reversal of 128219241 is 142912821.

It is a happy number.

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

It is not a de Polignac number, because 128219241 - 2³ = 128219233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128219199 and 128219208.

It is not an unprimeable number, because it can be changed into a prime (128219251) 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, 207166 + ... + 207783.

It is an arithmetic number, because the mean of its divisors is an integer number (21577400).

Almost surely, 2^128219241 is an apocalyptic number.

It is an amenable number.

128219241 is a deficient number, since it is larger than the sum of its proper divisors (44399959).

128219241 is a wasteful number, since it uses less digits than its factorization.

128219241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415055.

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

The square root of 128219241 is about 11323.3935284437. The cubic root of 128219241 is about 504.2559916164.

The spelling of 128219241 in words is "one hundred twenty-eight million, two hundred nineteen thousand, two hundred forty-one".