122066128 has 10 divisors (see below), whose sum is σ = 236503154. Its totient is φ = 61033056.

The previous prime is 122066123. The next prime is 122066159. The reversal of 122066128 is 821660221.

It can be written as a sum of positive squares in only one way, i.e., 116812864 + 5253264 = 10808^2 + 2292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122066096 and 122066105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122066123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3814551 + ... + 3814582.

Almost surely, 2^122066128 is an apocalyptic number.

It is an amenable number.

122066128 is a deficient number, since it is larger than the sum of its proper divisors (114437026).

122066128 is an equidigital number, since it uses as much as digits as its factorization.

122066128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7629141 (or 7629135 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 122066128 is about 11048.3540855641. The cubic root of 122066128 is about 496.0571604259.

The spelling of 122066128 in words is "one hundred twenty-two million, sixty-six thousand, one hundred twenty-eight".