1140859 has 2 divisors, whose sum is σ = 1140860. Its totient is φ = 1140858.

The previous prime is 1140851. The next prime is 1140863. The reversal of 1140859 is 9580411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140859 - 2³ = 1140851 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1140851) 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 as a sum of consecutive naturals, namely, 570429 + 570430.

It is an arithmetic number, because the mean of its divisors is an integer number (570430).

2^1140859 is an apocalyptic number.

1140859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140859 is an equidigital number, since it uses as much as digits as its factorization.

1140859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1140859 is about 1068.1100130605. The cubic root of 1140859 is about 104.4906243735.

The spelling of 1140859 in words is "one million, one hundred forty thousand, eight hundred fifty-nine".