1125684 has 48 divisors (see below), whose sum is σ = 3337600. Its totient is φ = 321408.

The previous prime is 1125679. The next prime is 1125701. The reversal of 1125684 is 4865211.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12 + ... + 1500.

2^1125684 is an apocalyptic number.

1125684 is a gapful number since it is divisible by the number (14) 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 1125684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668800).

1125684 is an abundant number, since it is smaller than the sum of its proper divisors (2211916).

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

1125684 is a wasteful number, since it uses less digits than its factorization.

1125684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1501 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1125684 is about 1060.9825634760. The cubic root of 1125684 is about 104.0252650649.

The spelling of 1125684 in words is "one million, one hundred twenty-five thousand, six hundred eighty-four".