2120455027 has 2 divisors, whose sum is σ = 2120455028. Its totient is φ = 2120455026.

The previous prime is 2120455021. The next prime is 2120455039. The reversal of 2120455027 is 7205540212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120455027 - 2³ = 2120455019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120454986 and 2120455004.

It is not a weakly prime, because it can be changed into another prime (2120455021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060227513 + 1060227514.

It is an arithmetic number, because the mean of its divisors is an integer number (1060227514).

Almost surely, 2^2120455027 is an apocalyptic number.

2120455027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120455027 is an equidigital number, since it uses as much as digits as its factorization.

2120455027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 2120455027 is about 46048.3987452333. The cubic root of 2120455027 is about 1284.7235602711.

Adding to 2120455027 its reverse (7205540212), we get a palindrome (9325995239).

The spelling of 2120455027 in words is "two billion, one hundred twenty million, four hundred fifty-five thousand, twenty-seven".