128004302 has 4 divisors (see below), whose sum is σ = 192006456. Its totient is φ = 64002150.

The previous prime is 128004299. The next prime is 128004319. The reversal of 128004302 is 203400821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 203400821 = 13 ⋅15646217.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32001074 + ... + 32001077.

It is an arithmetic number, because the mean of its divisors is an integer number (48001614).

Almost surely, 2^128004302 is an apocalyptic number.

128004302 is a deficient number, since it is larger than the sum of its proper divisors (64002154).

128004302 is an equidigital number, since it uses as much as digits as its factorization.

128004302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64002153.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 128004302 is about 11313.8986207231. The cubic root of 128004302 is about 503.9740659159.

The spelling of 128004302 in words is "one hundred twenty-eight million, four thousand, three hundred two".