128282361 has 8 divisors (see below), whose sum is σ = 171244800. Its totient is φ = 85420752.

The previous prime is 128282353. The next prime is 128282369. The reversal of 128282361 is 163282821.

It is an interprime number because it is at equal distance from previous prime (128282353) and next prime (128282369).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128282361 - 2³ = 128282353 is a prime.

It is a super-3 number, since 3×128282361³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (128282369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22186 + ... + 27363.

It is an arithmetic number, because the mean of its divisors is an integer number (21405600).

Almost surely, 2^128282361 is an apocalyptic number.

It is an amenable number.

128282361 is a deficient number, since it is larger than the sum of its proper divisors (42962439).

128282361 is an equidigital number, since it uses as much as digits as its factorization.

128282361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50415.

The product of its digits is 9216, while the sum is 33.

The square root of 128282361 is about 11326.1803358414. The cubic root of 128282361 is about 504.3387233928.

The spelling of 128282361 in words is "one hundred twenty-eight million, two hundred eighty-two thousand, three hundred sixty-one".