128785348 has 12 divisors (see below), whose sum is σ = 227698492. Its totient is φ = 63728640.

The previous prime is 128785331. The next prime is 128785351. The reversal of 128785348 is 843587821.

It can be written as a sum of positive squares in 2 ways, for example, as 101243844 + 27541504 = 10062^2 + 5248^2 .

It is a super-2 number, since 2×128785348² = 33171331718962208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 128785298 and 128785307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165573 + ... + 166348.

Almost surely, 2^128785348 is an apocalyptic number.

It is an amenable number.

128785348 is a deficient number, since it is larger than the sum of its proper divisors (98913144).

128785348 is a wasteful number, since it uses less digits than its factorization.

128785348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332022 (or 332020 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 128785348 is about 11348.3632299993. The cubic root of 128785348 is about 504.9970238037.

The spelling of 128785348 in words is "one hundred twenty-eight million, seven hundred eighty-five thousand, three hundred forty-eight".