1133385 has 16 divisors (see below), whose sum is σ = 1978560. Its totient is φ = 549440.

The previous prime is 1133381. The next prime is 1133387. The reversal of 1133385 is 5833311.

It is not a de Polignac number, because 1133385 - 2² = 1133381 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1133381) 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, 3270 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (123660).

2^1133385 is an apocalyptic number.

1133385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1133385 is a deficient number, since it is larger than the sum of its proper divisors (845175).

1133385 is a wasteful number, since it uses less digits than its factorization.

1133385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6888.

The product of its digits is 1080, while the sum is 24.

The square root of 1133385 is about 1064.6055607595. The cubic root of 1133385 is about 104.2619444704.

Adding to 1133385 its reverse (5833311), we get a palindrome (6966696).

It can be divided in two parts, 1 and 133385, that added together give a triangular number (133386 = T₅₁₆).

The spelling of 1133385 in words is "one million, one hundred thirty-three thousand, three hundred eighty-five".