1125985 has 16 divisors (see below), whose sum is σ = 1575936. Its totient is φ = 756288.

The previous prime is 1125973. The next prime is 1125991. The reversal of 1125985 is 5895211.

It is a cyclic number.

It is not a de Polignac number, because 1125985 - 2⁵ = 1125953 is a prime.

It is a Duffinian 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, 1552 + ... + 2158.

It is an arithmetic number, because the mean of its divisors is an integer number (98496).

2^1125985 is an apocalyptic number.

It is an amenable number.

1125985 is a deficient number, since it is larger than the sum of its proper divisors (449951).

1125985 is an equidigital number, since it uses as much as digits as its factorization.

1125985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672.

The product of its digits is 3600, while the sum is 31.

The square root of 1125985 is about 1061.1244036398. The cubic root of 1125985 is about 104.0345361139.

The spelling of 1125985 in words is "one million, one hundred twenty-five thousand, nine hundred eighty-five".