5580121 has 2 divisors, whose sum is σ = 5580122. Its totient is φ = 5580120.

The previous prime is 5580101. The next prime is 5580137. The reversal of 5580121 is 1210855.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5175625 + 404496 = 2275^2 + 636^2 .

It is a cyclic number.

It is not a de Polignac number, because 5580121 - 2⁵ = 5580089 is a prime.

It is a super-2 number, since 2×5580121² = 62275500749282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5580092 and 5580101.

It is not a weakly prime, because it can be changed into another prime (5580101) 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, 2790060 + 2790061.

It is an arithmetic number, because the mean of its divisors is an integer number (2790061).

Almost surely, 2^5580121 is an apocalyptic number.

It is an amenable number.

5580121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5580121 is an equidigital number, since it uses as much as digits as its factorization.

5580121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5580121 is about 2362.2279737570. The cubic root of 5580121 is about 177.3704245095.

Adding to 5580121 its reverse (1210855), we get a palindrome (6790976).

The spelling of 5580121 in words is "five million, five hundred eighty thousand, one hundred twenty-one".