1320061 has 2 divisors, whose sum is σ = 1320062. Its totient is φ = 1320060.

The previous prime is 1320037. The next prime is 1320091. The reversal of 1320061 is 1600231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012036 + 308025 = 1006^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 1320061 - 2⁷ = 1319933 is a prime.

It is a super-2 number, since 2×1320061² = 3485122087442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1320031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 660030 + 660031.

It is an arithmetic number, because the mean of its divisors is an integer number (660031).

2^1320061 is an apocalyptic number.

It is an amenable number.

1320061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1320061 is an equidigital number, since it uses as much as digits as its factorization.

1320061 is an evil number, because the sum of its binary digits is even.

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

The square root of 1320061 is about 1148.9390758434. The cubic root of 1320061 is about 109.6978207863.

Adding to 1320061 its reverse (1600231), we get a palindrome (2920292).

The spelling of 1320061 in words is "one million, three hundred twenty thousand, sixty-one".