1229568 has 36 divisors (see below), whose sum is σ = 3274488. Its totient is φ = 409600.

The previous prime is 1229563. The next prime is 1229581. The reversal of 1229568 is 8659221.

It is not an unprimeable number, because it can be changed into a prime (1229561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (90958).

2^1229568 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 1229568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637244).

1229568 is an abundant number, since it is smaller than the sum of its proper divisors (2044920).

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

1229568 is an equidigital number, since it uses as much as digits as its factorization.

1229568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620 (or 1606 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 1229568 is about 1108.8588728959. The cubic root of 1229568 is about 107.1315817976.

The spelling of 1229568 in words is "one million, two hundred twenty-nine thousand, five hundred sixty-eight".