1024321256 has 32 divisors (see below), whose sum is σ = 2196123840. Its totient is φ = 438764928.

The previous prime is 1024321253. The next prime is 1024321279. The reversal of 1024321256 is 6521234201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1024321253) 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 7 ways as a sum of consecutive naturals, for example, 143975 + ... + 150921.

It is an arithmetic number, because the mean of its divisors is an integer number (68628870).

Almost surely, 2^1024321256 is an apocalyptic number.

It is an amenable number.

1024321256 is an abundant number, since it is smaller than the sum of its proper divisors (1171802584).

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

1024321256 is a wasteful number, since it uses less digits than its factorization.

1024321256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9593 (or 9589 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1024321256 is about 32005.0192313643. The cubic root of 1024321256 is about 1008.0422344150.

Adding to 1024321256 its reverse (6521234201), we get a palindrome (7545555457).

The spelling of 1024321256 in words is "one billion, twenty-four million, three hundred twenty-one thousand, two hundred fifty-six".