128241395 has 4 divisors (see below), whose sum is σ = 153889680. Its totient is φ = 102593112.

The previous prime is 128241367. The next prime is 128241401. The reversal of 128241395 is 593142821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593142821 = 317 ⋅1871113.

It is a cyclic number.

It is not a de Polignac number, because 128241395 - 2²⁴ = 111464179 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12824135 + ... + 12824144.

It is an arithmetic number, because the mean of its divisors is an integer number (38472420).

Almost surely, 2^128241395 is an apocalyptic number.

128241395 is a deficient number, since it is larger than the sum of its proper divisors (25648285).

128241395 is an equidigital number, since it uses as much as digits as its factorization.

128241395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25648284.

The product of its digits is 17280, while the sum is 35.

The square root of 128241395 is about 11324.3717265021. The cubic root of 128241395 is about 504.2850320938.

The spelling of 128241395 in words is "one hundred twenty-eight million, two hundred forty-one thousand, three hundred ninety-five".