1256041832 has 16 divisors (see below), whose sum is σ = 2366916000. Its totient is φ = 624864240.

The previous prime is 1256041807. The next prime is 1256041837. The reversal of 1256041832 is 2381406521.

It is not an unprimeable number, because it can be changed into a prime (1256041837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392894 + ... + 396077.

It is an arithmetic number, because the mean of its divisors is an integer number (147932250).

Almost surely, 2^1256041832 is an apocalyptic number.

It is an amenable number.

1256041832 is a deficient number, since it is larger than the sum of its proper divisors (1110874168).

1256041832 is a wasteful number, since it uses less digits than its factorization.

1256041832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789176 (or 789172 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1256041832 is about 35440.6804675080. The cubic root of 1256041832 is about 1078.9501205640.

The spelling of 1256041832 in words is "one billion, two hundred fifty-six million, forty-one thousand, eight hundred thirty-two".