572307121 has 2 divisors, whose sum is σ = 572307122. Its totient is φ = 572307120.

The previous prime is 572307119. The next prime is 572307143. The reversal of 572307121 is 121703275.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 569538225 + 2768896 = 23865^2 + 1664^2 .

It is a cyclic number.

It is not a de Polignac number, because 572307121 - 2¹ = 572307119 is a prime.

Together with 572307119, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 572307121.

It is not a weakly prime, because it can be changed into another prime (572307101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 286153560 + 286153561.

It is an arithmetic number, because the mean of its divisors is an integer number (286153561).

Almost surely, 2^572307121 is an apocalyptic number.

It is an amenable number.

572307121 is a deficient number, since it is larger than the sum of its proper divisors (1).

572307121 is an equidigital number, since it uses as much as digits as its factorization.

572307121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 572307121 is about 23922.9413116364. The cubic root of 572307121 is about 830.2515911220.

The spelling of 572307121 in words is "five hundred seventy-two million, three hundred seven thousand, one hundred twenty-one".