1129568 has 24 divisors (see below), whose sum is σ = 2426760. Its totient is φ = 513280.

The previous prime is 1129561. The next prime is 1129571. The reversal of 1129568 is 8659211.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129561) 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, 1253 + ... + 1956.

It is an arithmetic number, because the mean of its divisors is an integer number (101115).

2^1129568 is an apocalyptic number.

It is an amenable number.

1129568 is an abundant number, since it is smaller than the sum of its proper divisors (1297192).

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

1129568 is a wasteful number, since it uses less digits than its factorization.

1129568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3230 (or 3222 counting only the distinct ones).

The product of its digits is 4320, while the sum is 32.

The square root of 1129568 is about 1062.8113661417. The cubic root of 1129568 is about 104.1447688014.

The spelling of 1129568 in words is "one million, one hundred twenty-nine thousand, five hundred sixty-eight".