2120045471 has 2 divisors, whose sum is σ = 2120045472. Its totient is φ = 2120045470.

The previous prime is 2120045467. The next prime is 2120045491. The reversal of 2120045471 is 1745400212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120045471 - 2² = 2120045467 is a prime.

It is a super-3 number, since 3×2120045471³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2120045471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120045491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060022735 + 1060022736.

It is an arithmetic number, because the mean of its divisors is an integer number (1060022736).

Almost surely, 2^2120045471 is an apocalyptic number.

2120045471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120045471 is an equidigital number, since it uses as much as digits as its factorization.

2120045471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2120045471 is about 46043.9515137439. The cubic root of 2120045471 is about 1284.6408421572.

Adding to 2120045471 its reverse (1745400212), we get a palindrome (3865445683).

The spelling of 2120045471 in words is "two billion, one hundred twenty million, forty-five thousand, four hundred seventy-one".