1256028966 has 24 divisors (see below), whose sum is σ = 2722650840. Its totient is φ = 418483296.

The previous prime is 1256028931. The next prime is 1256028989. The reversal of 1256028966 is 6698206521.

1256028966 is a `hidden beast` number, since 1 + 2 + 560 + 2 + 89 + 6 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27186 + ... + 57018.

It is an arithmetic number, because the mean of its divisors is an integer number (113443785).

Almost surely, 2^1256028966 is an apocalyptic number.

1256028966 is an abundant number, since it is smaller than the sum of its proper divisors (1466621874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1256028966 is a wasteful number, since it uses less digits than its factorization.

1256028966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32180 (or 32177 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1256028966 is about 35440.4989524696. The cubic root of 1256028966 is about 1078.9464365520.

The spelling of 1256028966 in words is "one billion, two hundred fifty-six million, twenty-eight thousand, nine hundred sixty-six".