1012605256 has 16 divisors (see below), whose sum is σ = 2044683900. Its totient is φ = 467356224.

The previous prime is 1012605239. The next prime is 1012605263. The reversal of 1012605256 is 6525062101.

It can be written as a sum of positive squares in 2 ways, for example, as 748022500 + 264582756 = 27350^2 + 16266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4868191 + ... + 4868398.

Almost surely, 2^1012605256 is an apocalyptic number.

It is an amenable number.

1012605256 is an abundant number, since it is smaller than the sum of its proper divisors (1032078644).

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

1012605256 is a wasteful number, since it uses less digits than its factorization.

1012605256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736608 (or 9736604 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1012605256 is about 31821.4590488871. The cubic root of 1012605256 is about 1004.1842198853.

Adding to 1012605256 its reverse (6525062101), we get a palindrome (7537667357).

The spelling of 1012605256 in words is "one billion, twelve million, six hundred five thousand, two hundred fifty-six".