1255528 has 8 divisors (see below), whose sum is σ = 2354130. Its totient is φ = 627760.

The previous prime is 1255519. The next prime is 1255549. The reversal of 1255528 is 8255521.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 178084 = 1038^2 + 422^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1255496 and 1255505.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78463 + ... + 78478.

2^1255528 is an apocalyptic number.

It is an amenable number.

1255528 is a deficient number, since it is larger than the sum of its proper divisors (1098602).

1255528 is a wasteful number, since it uses less digits than its factorization.

1255528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156947 (or 156943 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 1255528 is about 1120.5034582722. The cubic root of 1255528 is about 107.8802971878.

The spelling of 1255528 in words is "one million, two hundred fifty-five thousand, five hundred twenty-eight".