128482225 has 9 divisors (see below), whose sum is σ = 159388267. Its totient is φ = 102740440.

The previous prime is 128482187. The next prime is 128482231. The reversal of 128482225 is 522284821.

The square root of 128482225 is 11335.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 46253601 + 82228624 = 6801^2 + 9068^2 .

It is not a de Polignac number, because 128482225 - 2⁹ = 128481713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 55542 + ... + 57808.

Almost surely, 2^128482225 is an apocalyptic number.

128482225 is the 11335-th square number.

128482225 is the 5668-th centered octagonal number.

It is an amenable number.

128482225 is a deficient number, since it is larger than the sum of its proper divisors (30906042).

128482225 is an frugal number, since it uses more digits than its factorization.

128482225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 2272 counting only the distinct ones).

The product of its digits is 20480, while the sum is 34.

The cubic root of 128482225 is about 504.6005075038.

The spelling of 128482225 in words is "one hundred twenty-eight million, four hundred eighty-two thousand, two hundred twenty-five".