1205528956 has 24 divisors (see below), whose sum is σ = 2310804720. Its totient is φ = 547744512.

The previous prime is 1205528953. The next prime is 1205528957. The reversal of 1205528956 is 6598255021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205528953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303690 + ... + 307633.

It is an arithmetic number, because the mean of its divisors is an integer number (96283530).

Almost surely, 2^1205528956 is an apocalyptic number.

It is an amenable number.

1205528956 is a deficient number, since it is larger than the sum of its proper divisors (1105275764).

1205528956 is a wasteful number, since it uses less digits than its factorization.

1205528956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611373 (or 611371 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 1205528956 is about 34720.7280453622. The cubic root of 1205528956 is about 1064.2881225013.

The spelling of 1205528956 in words is "one billion, two hundred five million, five hundred twenty-eight thousand, nine hundred fifty-six".