128243141 has 16 divisors (see below), whose sum is σ = 146294400. Its totient is φ = 111440448.

The previous prime is 128243131. The next prime is 128243153. The reversal of 128243141 is 141342821.

It is a cyclic number.

It is not a de Polignac number, because 128243141 - 2⁶ = 128243077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128243141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128243131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39695 + ... + 42803.

It is an arithmetic number, because the mean of its divisors is an integer number (9143400).

Almost surely, 2^128243141 is an apocalyptic number.

It is an amenable number.

128243141 is a deficient number, since it is larger than the sum of its proper divisors (18051259).

128243141 is a wasteful number, since it uses less digits than its factorization.

128243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308.

The product of its digits is 1536, while the sum is 26.

The square root of 128243141 is about 11324.4488166091. The cubic root of 128243141 is about 504.2873206883.

Adding to 128243141 its reverse (141342821), we get a palindrome (269585962).

The spelling of 128243141 in words is "one hundred twenty-eight million, two hundred forty-three thousand, one hundred forty-one".