128586941 has 8 divisors (see below), whose sum is σ = 147025344. Its totient is φ = 110165760.

The previous prime is 128586923. The next prime is 128586943. The reversal of 128586941 is 149685821.

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

It is a cyclic number.

It is not a de Polignac number, because 128586941 - 2¹⁰ = 128585917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128586892 and 128586901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128586943) 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, 25181 + ... + 29853.

It is an arithmetic number, because the mean of its divisors is an integer number (18378168).

Almost surely, 2^128586941 is an apocalyptic number.

It is an amenable number.

128586941 is a deficient number, since it is larger than the sum of its proper divisors (18438403).

128586941 is an equidigital number, since it uses as much as digits as its factorization.

128586941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611.

The product of its digits is 138240, while the sum is 44.

The square root of 128586941 is about 11339.6182034494. The cubic root of 128586941 is about 504.7375573254.

The spelling of 128586941 in words is "one hundred twenty-eight million, five hundred eighty-six thousand, nine hundred forty-one".