122664938 has 16 divisors (see below), whose sum is σ = 201039840. Its totient is φ = 55669200.

The previous prime is 122664937. The next prime is 122664973. The reversal of 122664938 is 839466221.

It is a junction number, because it is equal to n+sod(n) for n = 122664895 and 122664904.

It is not an unprimeable number, because it can be changed into a prime (122664937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11168 + ... + 19236.

It is an arithmetic number, because the mean of its divisors is an integer number (12564990).

Almost surely, 2^122664938 is an apocalyptic number.

122664938 is a deficient number, since it is larger than the sum of its proper divisors (78374902).

122664938 is a wasteful number, since it uses less digits than its factorization.

122664938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773.

The product of its digits is 124416, while the sum is 41.

The square root of 122664938 is about 11075.4204434866. The cubic root of 122664938 is about 496.8669935448.

The spelling of 122664938 in words is "one hundred twenty-two million, six hundred sixty-four thousand, nine hundred thirty-eight".