128652306 has 64 divisors (see below), whose sum is σ = 279936000. Its totient is φ = 39289536.

The previous prime is 128652299. The next prime is 128652319. The reversal of 128652306 is 603256821.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646395 + ... + 646593.

It is an arithmetic number, because the mean of its divisors is an integer number (4374000).

Almost surely, 2^128652306 is an apocalyptic number.

It is a pronic number, being equal to 11342×11343.

128652306 is an abundant number, since it is smaller than the sum of its proper divisors (151283694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128652306 is a wasteful number, since it uses less digits than its factorization.

128652306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 128652306 is about 11342.4999889795. The cubic root of 128652306 is about 504.8230677756.

The spelling of 128652306 in words is "one hundred twenty-eight million, six hundred fifty-two thousand, three hundred six".