1245568 has 32 divisors (see below), whose sum is σ = 2558160. Its totient is φ = 603648.

The previous prime is 1245557. The next prime is 1245589. The reversal of 1245568 is 8655421.

It is a tau number, because it is divible by the number of its divisors (32).

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4605 + ... + 4867.

2^1245568 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 1245568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1279080).

1245568 is an abundant number, since it is smaller than the sum of its proper divisors (1312592).

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

1245568 is an equidigital number, since it uses as much as digits as its factorization.

1245568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 302 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 1245568 is about 1116.0501780834. The cubic root of 1245568 is about 107.5942710106.

The spelling of 1245568 in words is "one million, two hundred forty-five thousand, five hundred sixty-eight".