1113985 has 8 divisors (see below), whose sum is σ = 1380096. Its totient is φ = 862320.

The previous prime is 1113971. The next prime is 1113991. The reversal of 1113985 is 5893111.

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

It is not a de Polignac number, because 1113985 - 2⁵ = 1113953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3439 + ... + 3748.

It is an arithmetic number, because the mean of its divisors is an integer number (172512).

2^1113985 is an apocalyptic number.

It is an amenable number.

1113985 is a deficient number, since it is larger than the sum of its proper divisors (266111).

1113985 is an equidigital number, since it uses as much as digits as its factorization.

1113985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223.

The product of its digits is 1080, while the sum is 28.

The square root of 1113985 is about 1055.4548782397. The cubic root of 1113985 is about 103.6636383952.

It can be divided in two parts, 111 and 3985, that added together give a 12-th power (4096 = 2¹²).

The spelling of 1113985 in words is "one million, one hundred thirteen thousand, nine hundred eighty-five".