128452 has 12 divisors (see below), whose sum is σ = 238140. Its totient is φ = 60416.

The previous prime is 128449. The next prime is 128461. The reversal of 128452 is 254821.

It can be written as a sum of positive squares in 2 ways, for example, as 81796 + 46656 = 286^2 + 216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 877 + ... + 1012.

It is an arithmetic number, because the mean of its divisors is an integer number (19845).

2¹²⁸⁴⁵² is an apocalyptic number.

It is an amenable number.

128452 is a deficient number, since it is larger than the sum of its proper divisors (109688).

128452 is a wasteful number, since it uses less digits than its factorization.

128452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1908 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 128452 is about 358.4020089229. The cubic root of 128452 is about 50.4560935891.

It can be divided in two parts, 12 and 8452, that added together give a square (8464 = 92²).

The spelling of 128452 in words is "one hundred twenty-eight thousand, four hundred fifty-two".