1340959 has 2 divisors, whose sum is σ = 1340960. Its totient is φ = 1340958.

The previous prime is 1340947. The next prime is 1340981. The reversal of 1340959 is 9590431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340959 - 2⁹ = 1340447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340959.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670479 + 670480.

It is an arithmetic number, because the mean of its divisors is an integer number (670480).

2^1340959 is an apocalyptic number.

1340959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340959 is an equidigital number, since it uses as much as digits as its factorization.

1340959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1340959 is about 1157.9978411033. The cubic root of 1340959 is about 110.2736711805.

The spelling of 1340959 in words is "one million, three hundred forty thousand, nine hundred fifty-nine".