1363121 has 2 divisors, whose sum is σ = 1363122. Its totient is φ = 1363120.

The previous prime is 1363099. The next prime is 1363133. The reversal of 1363121 is 1213631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 698896 + 664225 = 836^2 + 815^2 .

It is an emirp because it is prime and its reverse (1213631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1363121 - 2¹⁸ = 1100977 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1363121.

It is not a weakly prime, because it can be changed into another prime (1363151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681560 + 681561.

It is an arithmetic number, because the mean of its divisors is an integer number (681561).

2^1363121 is an apocalyptic number.

It is an amenable number.

1363121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363121 is an equidigital number, since it uses as much as digits as its factorization.

1363121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108, while the sum is 17.

The square root of 1363121 is about 1167.5277298634. The cubic root of 1363121 is about 110.8778517273.

Adding to 1363121 its reverse (1213631), we get a palindrome (2576752).

The spelling of 1363121 in words is "one million, three hundred sixty-three thousand, one hundred twenty-one".