1020361 has 2 divisors, whose sum is σ = 1020362. Its totient is φ = 1020360.

The previous prime is 1020353. The next prime is 1020379. The reversal of 1020361 is 1630201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 712336 + 308025 = 844^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020361 - 2³ = 1020353 is a prime.

It is a super-2 number, since 2×1020361² = 2082273140642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1020301) 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, 510180 + 510181.

It is an arithmetic number, because the mean of its divisors is an integer number (510181).

2^1020361 is an apocalyptic number.

It is an amenable number.

1020361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020361 is an equidigital number, since it uses as much as digits as its factorization.

1020361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1020361 is about 1010.1291996572. The cubic root of 1020361 is about 100.6741450716.

Adding to 1020361 its reverse (1630201), we get a palindrome (2650562).

The spelling of 1020361 in words is "one million, twenty thousand, three hundred sixty-one".