1135985 has 8 divisors (see below), whose sum is σ = 1383936. Its totient is φ = 894960.

The previous prime is 1135969. The next prime is 1135997. The reversal of 1135985 is 5895311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1135985 - 2⁴ = 1135969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (172992).

2^1135985 is an apocalyptic number.

It is an amenable number.

1135985 is a deficient number, since it is larger than the sum of its proper divisors (247951).

1135985 is an equidigital number, since it uses as much as digits as its factorization.

1135985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463.

The product of its digits is 5400, while the sum is 32.

The square root of 1135985 is about 1065.8259707851. The cubic root of 1135985 is about 104.3416096714.

The spelling of 1135985 in words is "one million, one hundred thirty-five thousand, nine hundred eighty-five".