2120603447 has 2 divisors, whose sum is σ = 2120603448. Its totient is φ = 2120603446.

The previous prime is 2120603423. The next prime is 2120603461. The reversal of 2120603447 is 7443060212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2120603447 - 2³⁰ = 1046861623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120603497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060301723 + 1060301724.

It is an arithmetic number, because the mean of its divisors is an integer number (1060301724).

Almost surely, 2^2120603447 is an apocalyptic number.

2120603447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120603447 is an equidigital number, since it uses as much as digits as its factorization.

2120603447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 2120603447 is about 46050.0102823007. The cubic root of 2120603447 is about 1284.7535340613.

Adding to 2120603447 its reverse (7443060212), we get a palindrome (9563663659).

The spelling of 2120603447 in words is "two billion, one hundred twenty million, six hundred three thousand, four hundred forty-seven".