122166353 has 2 divisors, whose sum is σ = 122166354. Its totient is φ = 122166352.

The previous prime is 122166349. The next prime is 122166361. The reversal of 122166353 is 353661221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73068304 + 49098049 = 8548^2 + 7007^2 .

It is a cyclic number.

It is not a de Polignac number, because 122166353 - 2² = 122166349 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (122166323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61083176 + 61083177.

It is an arithmetic number, because the mean of its divisors is an integer number (61083177).

Almost surely, 2^122166353 is an apocalyptic number.

It is an amenable number.

122166353 is a deficient number, since it is larger than the sum of its proper divisors (1).

122166353 is an equidigital number, since it uses as much as digits as its factorization.

122166353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 122166353 is about 11052.8888983831. Note that the first 4 decimals coincide. The cubic root of 122166353 is about 496.1928893918.

The spelling of 122166353 in words is "one hundred twenty-two million, one hundred sixty-six thousand, three hundred fifty-three".