1132785 has 20 divisors (see below), whose sum is σ = 2031348. Its totient is φ = 603936.

The previous prime is 1132783. The next prime is 1132787. The reversal of 1132785 is 5872311.

It is an interprime number because it is at equal distance from previous prime (1132783) and next prime (1132787).

It can be written as a sum of positive squares in 2 ways, for example, as 627264 + 505521 = 792^2 + 711^2 .

It is not a de Polignac number, because 1132785 - 2¹ = 1132783 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1132783) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 994 + ... + 1803.

2^1132785 is an apocalyptic number.

1132785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1132785 is a deficient number, since it is larger than the sum of its proper divisors (898563).

1132785 is an equidigital number, since it uses as much as digits as its factorization.

1132785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2814 (or 2805 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 1132785 is about 1064.3237289472. The cubic root of 1132785 is about 104.2435428949.

The spelling of 1132785 in words is "one million, one hundred thirty-two thousand, seven hundred eighty-five".