128384602 has 4 divisors (see below), whose sum is σ = 192576906. Its totient is φ = 64192300.

The previous prime is 128384593. The next prime is 128384621. The reversal of 128384602 is 206483821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 121462441 + 6922161 = 11021^2 + 2631^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32096149 + ... + 32096152.

Almost surely, 2^128384602 is an apocalyptic number.

128384602 is a deficient number, since it is larger than the sum of its proper divisors (64192304).

128384602 is an equidigital number, since it uses as much as digits as its factorization.

128384602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64192303.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 128384602 is about 11330.6929179111. The cubic root of 128384602 is about 504.4726737458.

The spelling of 128384602 in words is "one hundred twenty-eight million, three hundred eighty-four thousand, six hundred two".