128702153 has 4 divisors (see below), whose sum is σ = 129023508. Its totient is φ = 128380800.

The previous prime is 128702149. The next prime is 128702159. The reversal of 128702153 is 351207821.

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

It can be written as a sum of positive squares in 2 ways, for example, as 109579024 + 19123129 = 10468^2 + 4373^2 .

It is a cyclic number.

It is not a de Polignac number, because 128702153 - 2² = 128702149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128702159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160076 + ... + 160877.

It is an arithmetic number, because the mean of its divisors is an integer number (32255877).

Almost surely, 2^128702153 is an apocalyptic number.

It is an amenable number.

128702153 is a deficient number, since it is larger than the sum of its proper divisors (321355).

128702153 is an equidigital number, since it uses as much as digits as its factorization.

128702153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321354.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 128702153 is about 11344.6971312592. The cubic root of 128702153 is about 504.8882581247. Note that the first 3 decimals are identical.

Adding to 128702153 its reverse (351207821), we get a palindrome (479909974).

The spelling of 128702153 in words is "one hundred twenty-eight million, seven hundred two thousand, one hundred fifty-three".