128065132 has 12 divisors (see below), whose sum is σ = 241353616. Its totient is φ = 59106960.

The previous prime is 128065121. The next prime is 128065159. The reversal of 128065132 is 231560821.

It is a self number, because there is not a number n which added to its sum of digits gives 128065132.

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, 1231344 + ... + 1231447.

Almost surely, 2^128065132 is an apocalyptic number.

It is an amenable number.

128065132 is a deficient number, since it is larger than the sum of its proper divisors (113288484).

128065132 is a wasteful number, since it uses less digits than its factorization.

128065132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462808 (or 2462806 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 128065132 is about 11316.5865878365. The cubic root of 128065132 is about 504.0538858569.

The spelling of 128065132 in words is "one hundred twenty-eight million, sixty-five thousand, one hundred thirty-two".