128160932 has 12 divisors (see below), whose sum is σ = 224674380. Its totient is φ = 63968256.

The previous prime is 128160931. The next prime is 128161013. The reversal of 128160932 is 239061821.

It can be written as a sum of positive squares in 2 ways, for example, as 63744256 + 64416676 = 7984^2 + 8026^2 .

It is a super-2 number, since 2×128160932² = 32850448982217248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (128160931) 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 3 ways as a sum of consecutive naturals, for example, 25457 + ... + 30072.

It is an arithmetic number, because the mean of its divisors is an integer number (18722865).

Almost surely, 2^128160932 is an apocalyptic number.

It is an amenable number.

128160932 is a deficient number, since it is larger than the sum of its proper divisors (96513448).

128160932 is a wasteful number, since it uses less digits than its factorization.

128160932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56110 (or 56108 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 128160932 is about 11320.8185216441. The cubic root of 128160932 is about 504.1795415179.

The spelling of 128160932 in words is "one hundred twenty-eight million, one hundred sixty thousand, nine hundred thirty-two".