3120421453 has 2 divisors, whose sum is σ = 3120421454. Its totient is φ = 3120421452.

The previous prime is 3120421411. The next prime is 3120421459. The reversal of 3120421453 is 3541240213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1958770564 + 1161650889 = 44258^2 + 34083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3120421453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3120421459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560210726 + 1560210727.

It is an arithmetic number, because the mean of its divisors is an integer number (1560210727).

Almost surely, 2^3120421453 is an apocalyptic number.

It is an amenable number.

3120421453 is a deficient number, since it is larger than the sum of its proper divisors (1).

3120421453 is an equidigital number, since it uses as much as digits as its factorization.

3120421453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3120421453 is about 55860.7326572074. The cubic root of 3120421453 is about 1461.2945066393.

Adding to 3120421453 its reverse (3541240213), we get a palindrome (6661661666).

The spelling of 3120421453 in words is "three billion, one hundred twenty million, four hundred twenty-one thousand, four hundred fifty-three".