1133685 has 48 divisors (see below), whose sum is σ = 2321280. Its totient is φ = 501120.

The previous prime is 1133683. The next prime is 1133689. The reversal of 1133685 is 5863311.

It is not a de Polignac number, because 1133685 - 2¹ = 1133683 is a prime.

Its product of digits (2160) is a multiple of the sum of its prime divisors (135).

1133685 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18555 + ... + 18615.

It is an arithmetic number, because the mean of its divisors is an integer number (48360).

2^1133685 is an apocalyptic number.

1133685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1133685 is an abundant number, since it is smaller than the sum of its proper divisors (1187595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133685 is a wasteful number, since it uses less digits than its factorization.

1133685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 135 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1133685 is about 1064.7464486910. The cubic root of 1133685 is about 104.2711428228.

Adding to 1133685 its reverse (5863311), we get a palindrome (6996996).

The spelling of 1133685 in words is "one million, one hundred thirty-three thousand, six hundred eighty-five".