128241794 has 8 divisors (see below), whose sum is σ = 192421008. Its totient is φ = 64101460.

The previous prime is 128241787. The next prime is 128241797. The reversal of 128241794 is 497142821.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (128241797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 809 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (24052626).

Almost surely, 2^128241794 is an apocalyptic number.

128241794 is a deficient number, since it is larger than the sum of its proper divisors (64179214).

128241794 is a wasteful number, since it uses less digits than its factorization.

128241794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19440.

The product of its digits is 32256, while the sum is 38.

The square root of 128241794 is about 11324.3893433598. The cubic root of 128241794 is about 504.2855550906.

The spelling of 128241794 in words is "one hundred twenty-eight million, two hundred forty-one thousand, seven hundred ninety-four".