122000057 has 2 divisors, whose sum is σ = 122000058. Its totient is φ = 122000056.

The previous prime is 122000033. The next prime is 122000069. The reversal of 122000057 is 750000221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95570176 + 26429881 = 9776^2 + 5141^2 .

It is an emirp because it is prime and its reverse (750000221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122000057 - 2²⁴ = 105222841 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121999999 and 122000044.

It is not a weakly prime, because it can be changed into another prime (122000077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61000028 + 61000029.

It is an arithmetic number, because the mean of its divisors is an integer number (61000029).

Almost surely, 2^122000057 is an apocalyptic number.

It is an amenable number.

122000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122000057 is an equidigital number, since it uses as much as digits as its factorization.

122000057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 122000057 is about 11045.3635974557. The cubic root of 122000057 is about 495.9676436251.

Adding to 122000057 its reverse (750000221), we get a palindrome (872000278).

The spelling of 122000057 in words is "one hundred twenty-two million, fifty-seven", and thus it is an aban number.