1140709 has 2 divisors, whose sum is σ = 1140710. Its totient is φ = 1140708.

The previous prime is 1140697. The next prime is 1140721. The reversal of 1140709 is 9070411.

It is a balanced prime because it is at equal distance from previous prime (1140697) and next prime (1140721).

It can be written as a sum of positive squares in only one way, i.e., 940900 + 199809 = 970^2 + 447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140709 - 2⁵ = 1140677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570354 + 570355.

It is an arithmetic number, because the mean of its divisors is an integer number (570355).

2^1140709 is an apocalyptic number.

It is an amenable number.

1140709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140709 is an equidigital number, since it uses as much as digits as its factorization.

1140709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1140709 is about 1068.0397932661. The cubic root of 1140709 is about 104.4860447013.

It can be divided in two parts, 1140 and 709, that added together give a square (1849 = 43²).

The spelling of 1140709 in words is "one million, one hundred forty thousand, seven hundred nine".