1140705 has 12 divisors (see below), whose sum is σ = 1977300. Its totient is φ = 608352.

The previous prime is 1140697. The next prime is 1140709. The reversal of 1140705 is 5070411.

It can be written as a sum of positive squares in 2 ways, for example, as 419904 + 720801 = 648^2 + 849^2 .

It is not a de Polignac number, because 1140705 - 2³ = 1140697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140709) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12630 + ... + 12719.

It is an arithmetic number, because the mean of its divisors is an integer number (164775).

2^1140705 is an apocalyptic number.

1140705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1140705 is a deficient number, since it is larger than the sum of its proper divisors (836595).

1140705 is a wasteful number, since it uses less digits than its factorization.

1140705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25360 (or 25357 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1140705 is about 1068.0379206751. The cubic root of 1140705 is about 104.4859225712.

The spelling of 1140705 in words is "one million, one hundred forty thousand, seven hundred five".