122560057 has 2 divisors, whose sum is σ = 122560058. Its totient is φ = 122560056.

The previous prime is 122560049. The next prime is 122560091. The reversal of 122560057 is 750065221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121352256 + 1207801 = 11016^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 122560057 - 2³ = 122560049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122560007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61280028 + 61280029.

It is an arithmetic number, because the mean of its divisors is an integer number (61280029).

Almost surely, 2^122560057 is an apocalyptic number.

It is an amenable number.

122560057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122560057 is an equidigital number, since it uses as much as digits as its factorization.

122560057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 122560057 is about 11070.6845768453. The cubic root of 122560057 is about 496.7253427267.

The spelling of 122560057 in words is "one hundred twenty-two million, five hundred sixty thousand, fifty-seven".