1125585 has 12 divisors (see below), whose sum is σ = 1951092. Its totient is φ = 600288.

The previous prime is 1125581. The next prime is 1125599. The reversal of 1125585 is 5855211.

It can be written as a sum of positive squares in 2 ways, for example, as 859329 + 266256 = 927^2 + 516^2 .

It is not a de Polignac number, because 1125585 - 2² = 1125581 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125581) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12462 + ... + 12551.

It is an arithmetic number, because the mean of its divisors is an integer number (162591).

2^1125585 is an apocalyptic number.

1125585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125585 is a deficient number, since it is larger than the sum of its proper divisors (825507).

1125585 is a wasteful number, since it uses less digits than its factorization.

1125585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25024 (or 25021 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 1125585 is about 1060.9359075835. The cubic root of 1125585 is about 104.0222154219.

The spelling of 1125585 in words is "one million, one hundred twenty-five thousand, five hundred eighty-five".