1128560 has 20 divisors (see below), whose sum is σ = 2624088. Its totient is φ = 451392.

The previous prime is 1128557. The next prime is 1128577. The reversal of 1128560 is 658211.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6974 + ... + 7133.

2^1128560 is an apocalyptic number.

1128560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128560 is an abundant number, since it is smaller than the sum of its proper divisors (1495528).

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

1128560 is a wasteful number, since it uses less digits than its factorization.

1128560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14120 (or 14114 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1128560 is about 1062.3370463276. The cubic root of 1128560 is about 104.1137807986.

The spelling of 1128560 in words is "one million, one hundred twenty-eight thousand, five hundred sixty".