122123161 has 2 divisors, whose sum is σ = 122123162. Its totient is φ = 122123160.

The previous prime is 122123137. The next prime is 122123173. The reversal of 122123161 is 161321221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72505225 + 49617936 = 8515^2 + 7044^2 .

It is a cyclic number.

It is not a de Polignac number, because 122123161 - 2¹⁷ = 121992089 is a prime.

It is not a weakly prime, because it can be changed into another prime (122123101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61061580 + 61061581.

It is an arithmetic number, because the mean of its divisors is an integer number (61061581).

Almost surely, 2^122123161 is an apocalyptic number.

It is an amenable number.

122123161 is a deficient number, since it is larger than the sum of its proper divisors (1).

122123161 is an equidigital number, since it uses as much as digits as its factorization.

122123161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 144, while the sum is 19.

The square root of 122123161 is about 11050.9348473331. The cubic root of 122123161 is about 496.1344060507.

Adding to 122123161 its reverse (161321221), we get a palindrome (283444382).

The spelling of 122123161 in words is "one hundred twenty-two million, one hundred twenty-three thousand, one hundred sixty-one".