1125560 has 32 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 426240.

The previous prime is 1125559. The next prime is 1125569. The reversal of 1125560 is 655211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20 + ... + 1500.

2^1125560 is an apocalyptic number.

1125560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333800).

1125560 is an abundant number, since it is smaller than the sum of its proper divisors (1542040).

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

1125560 is a wasteful number, since it uses less digits than its factorization.

1125560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1125560 is about 1060.9241254680. The cubic root of 1125560 is about 104.0214452817.

The spelling of 1125560 in words is "one million, one hundred twenty-five thousand, five hundred sixty".