1023568 has 80 divisors (see below), whose sum is σ = 2638720. Its totient is φ = 373248.

The previous prime is 1023557. The next prime is 1023571. The reversal of 1023568 is 8653201.

It is a happy number.

1023568 is nontrivially palindromic in base 3 and base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27646 + ... + 27682.

It is an arithmetic number, because the mean of its divisors is an integer number (32984).

2^1023568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1023568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319360).

1023568 is an abundant number, since it is smaller than the sum of its proper divisors (1615152).

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

1023568 is a wasteful number, since it uses less digits than its factorization.

1023568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1023568 is about 1011.7153749944. The cubic root of 1023568 is about 100.7795078861.

Adding to 1023568 its reverse (8653201), we get a palindrome (9676769).

The spelling of 1023568 in words is "one million, twenty-three thousand, five hundred sixty-eight".