1020523256 has 16 divisors (see below), whose sum is σ = 1916190600. Its totient is φ = 509539104.

The previous prime is 1020523249. The next prime is 1020523261. The reversal of 1020523256 is 6523250201.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 84290 + ... + 95633.

Almost surely, 2^1020523256 is an apocalyptic number.

It is an amenable number.

1020523256 is a deficient number, since it is larger than the sum of its proper divisors (895667344).

1020523256 is a wasteful number, since it uses less digits than its factorization.

1020523256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180638 (or 180634 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1020523256 is about 31945.6296854515. The cubic root of 1020523256 is about 1006.7948113018.

Adding to 1020523256 its reverse (6523250201), we get a palindrome (7543773457).

The spelling of 1020523256 in words is "one billion, twenty million, five hundred twenty-three thousand, two hundred fifty-six".