1125685 has 16 divisors (see below), whose sum is σ = 1495872. Its totient is φ = 806400.

The previous prime is 1125679. The next prime is 1125701. The reversal of 1125685 is 5865211.

1125685 = 331² + 332² + ... + 340².

It is not a de Polignac number, because 1125685 - 2⁵ = 1125653 is a prime.

It is a Duffinian number.

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, 5230 + ... + 5440.

It is an arithmetic number, because the mean of its divisors is an integer number (93492).

2^1125685 is an apocalyptic number.

It is an amenable number.

1125685 is a deficient number, since it is larger than the sum of its proper divisors (370187).

1125685 is a wasteful number, since it uses less digits than its factorization.

1125685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 2400, while the sum is 28.

The square root of 1125685 is about 1060.9830347371. The cubic root of 1125685 is about 104.0252958685.

The spelling of 1125685 in words is "one million, one hundred twenty-five thousand, six hundred eighty-five".