128302 has 4 divisors (see below), whose sum is σ = 192456. Its totient is φ = 64150.

The previous prime is 128291. The next prime is 128311. The reversal of 128302 is 203821.

It is a happy number.

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

It is a super-2 number, since 2×128302² = 32922806408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

128302 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32074 + ... + 32077.

It is an arithmetic number, because the mean of its divisors is an integer number (48114).

2¹²⁸³⁰² is an apocalyptic number.

128302 is a deficient number, since it is larger than the sum of its proper divisors (64154).

128302 is an equidigital number, since it uses as much as digits as its factorization.

128302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64153.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 128302 is about 358.1926855758. The cubic root of 128302 is about 50.4364458817.

The spelling of 128302 in words is "one hundred twenty-eight thousand, three hundred two".