1368841 has 2 divisors, whose sum is σ = 1368842. Its totient is φ = 1368840.

The previous prime is 1368839. The next prime is 1368847. The reversal of 1368841 is 1488631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 774400 + 594441 = 880^2 + 771^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368841 - 2¹ = 1368839 is a prime.

Together with 1368839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1368847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684420 + 684421.

It is an arithmetic number, because the mean of its divisors is an integer number (684421).

2^1368841 is an apocalyptic number.

It is an amenable number.

1368841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368841 is an equidigital number, since it uses as much as digits as its factorization.

1368841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 1368841 is about 1169.9747860531. The cubic root of 1368841 is about 111.0327257887.

It can be divided in two parts, 1368 and 841, that added together give a square (2209 = 47²).

The spelling of 1368841 in words is "one million, three hundred sixty-eight thousand, eight hundred forty-one".