1368761 has 2 divisors, whose sum is σ = 1368762. Its totient is φ = 1368760.

The previous prime is 1368739. The next prime is 1368791. The reversal of 1368761 is 1678631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1308736 + 60025 = 1144^2 + 245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1368761 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1368791) 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, 684380 + 684381.

It is an arithmetic number, because the mean of its divisors is an integer number (684381).

2^1368761 is an apocalyptic number.

It is an amenable number.

1368761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368761 is an equidigital number, since it uses as much as digits as its factorization.

1368761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 1368761 is about 1169.9405967826. The cubic root of 1368761 is about 111.0305626958.

The spelling of 1368761 in words is "one million, three hundred sixty-eight thousand, seven hundred sixty-one".