128460485 has 8 divisors (see below), whose sum is σ = 158319096. Its totient is φ = 99990720.

The previous prime is 128460473. The next prime is 128460487. The reversal of 128460485 is 584064821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10042561 + 118417924 = 3169^2 + 10882^2 .

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

It is not a de Polignac number, because 128460485 - 2¹⁶ = 128394949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128460487) 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, 347006 + ... + 347375.

It is an arithmetic number, because the mean of its divisors is an integer number (19789887).

Almost surely, 2^128460485 is an apocalyptic number.

It is an amenable number.

128460485 is a deficient number, since it is larger than the sum of its proper divisors (29858611).

128460485 is an equidigital number, since it uses as much as digits as its factorization.

128460485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694423.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 128460485 is about 11334.0409828093. The cubic root of 128460485 is about 504.5720453726.

The spelling of 128460485 in words is "one hundred twenty-eight million, four hundred sixty thousand, four hundred eighty-five".