128450941 has 8 divisors (see below), whose sum is σ = 131095800. Its totient is φ = 125832960.

The previous prime is 128450921. The next prime is 128450983. The reversal of 128450941 is 149054821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 51538041 + 76912900 = 7179^2 + 8770^2 .

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 128450941 - 2¹⁹ = 127926653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128450897 and 128450906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128450911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081 + ... + 16321.

It is an arithmetic number, because the mean of its divisors is an integer number (16386975).

Almost surely, 2^128450941 is an apocalyptic number.

It is an amenable number.

128450941 is a deficient number, since it is larger than the sum of its proper divisors (2644859).

128450941 is a wasteful number, since it uses less digits than its factorization.

128450941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13439.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 128450941 is about 11333.6199424544. The cubic root of 128450941 is about 504.5595492994.

It can be divided in two parts, 1284 and 50941, that added together give a palindrome (52225).

The spelling of 128450941 in words is "one hundred twenty-eight million, four hundred fifty thousand, nine hundred forty-one".