122174561 has 2 divisors, whose sum is σ = 122174562. Its totient is φ = 122174560.

The previous prime is 122174537. The next prime is 122174581. The reversal of 122174561 is 165471221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80442961 + 41731600 = 8969^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 122174561 - 2⁶ = 122174497 is a prime.

It is not a weakly prime, because it can be changed into another prime (122174581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61087280 + 61087281.

It is an arithmetic number, because the mean of its divisors is an integer number (61087281).

Almost surely, 2^122174561 is an apocalyptic number.

It is an amenable number.

122174561 is a deficient number, since it is larger than the sum of its proper divisors (1).

122174561 is an equidigital number, since it uses as much as digits as its factorization.

122174561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 122174561 is about 11053.2601977878. The cubic root of 122174561 is about 496.2040017260.

The spelling of 122174561 in words is "one hundred twenty-two million, one hundred seventy-four thousand, five hundred sixty-one".