128308302 has 48 divisors (see below), whose sum is σ = 287567280. Its totient is φ = 41319936.

The previous prime is 128308291. The next prime is 128308307. The reversal of 128308302 is 203803821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128308307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74224 + ... + 75932.

It is an arithmetic number, because the mean of its divisors is an integer number (5990985).

Almost surely, 2^128308302 is an apocalyptic number.

128308302 is an abundant number, since it is smaller than the sum of its proper divisors (159258978).

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

128308302 is a wasteful number, since it uses less digits than its factorization.

128308302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 128308302 is about 11327.3254566115. The cubic root of 128308302 is about 504.3727165543.

The spelling of 128308302 in words is "one hundred twenty-eight million, three hundred eight thousand, three hundred two".