1127985 has 16 divisors (see below), whose sum is σ = 1821120. Its totient is φ = 596160.

The previous prime is 1127983. The next prime is 1127993. The reversal of 1127985 is 5897211.

It is not a de Polignac number, because 1127985 - 2¹ = 1127983 is a prime.

It is a Curzon number.

1127985 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1127981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1815 + ... + 2355.

It is an arithmetic number, because the mean of its divisors is an integer number (113820).

2^1127985 is an apocalyptic number.

1127985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1127985 is a deficient number, since it is larger than the sum of its proper divisors (693135).

1127985 is a wasteful number, since it uses less digits than its factorization.

1127985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its digits is 5040, while the sum is 33.

The square root of 1127985 is about 1062.0663821061. The cubic root of 1127985 is about 104.0960958449.

It can be divided in two parts, 1127 and 985, that added together give a palindrome (2112).

The spelling of 1127985 in words is "one million, one hundred twenty-seven thousand, nine hundred eighty-five".