1113885 has 32 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 575424.

The previous prime is 1113883. The next prime is 1113887. The reversal of 1113885 is 5883111.

It is an interprime number because it is at equal distance from previous prime (1113883) and next prime (1113887).

It is not a de Polignac number, because 1113885 - 2¹ = 1113883 is a prime.

It is a super-3 number, since 3×1113885³ = 4146124333729287375, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4884 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^1113885 is an apocalyptic number.

1113885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1113885 is a deficient number, since it is larger than the sum of its proper divisors (928995).

1113885 is a wasteful number, since it uses less digits than its factorization.

1113885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 268 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 1113885 is about 1055.4075042371. The cubic root of 1113885 is about 103.6605364163.

Adding to 1113885 its reverse (5883111), we get a palindrome (6996996).

The spelling of 1113885 in words is "one million, one hundred thirteen thousand, eight hundred eighty-five".