128485474 has 8 divisors (see below), whose sum is σ = 207553500. Its totient is φ = 59300976.

The previous prime is 128485463. The next prime is 128485499. The reversal of 128485474 is 474584821.

It can be written as a sum of positive squares in 2 ways, for example, as 128482225 + 3249 = 11335^2 + 57^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 128485474.

It is an unprimeable number.

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, 2470849 + ... + 2470900.

Almost surely, 2^128485474 is an apocalyptic number.

128485474 is a deficient number, since it is larger than the sum of its proper divisors (79068026).

128485474 is a wasteful number, since it uses less digits than its factorization.

128485474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4941764.

The product of its digits is 286720, while the sum is 43.

The square root of 128485474 is about 11335.1433162532. The cubic root of 128485474 is about 504.6047608372.

The spelling of 128485474 in words is "one hundred twenty-eight million, four hundred eighty-five thousand, four hundred seventy-four".