122067128 has 16 divisors (see below), whose sum is σ = 231236880. Its totient is φ = 60403968.

The previous prime is 122067103. The next prime is 122067139. The reversal of 122067128 is 821760221.

It is a self number, because there is not a number n which added to its sum of digits gives 122067128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77876 + ... + 79427.

It is an arithmetic number, because the mean of its divisors is an integer number (14452305).

Almost surely, 2^122067128 is an apocalyptic number.

It is an amenable number.

122067128 is a deficient number, since it is larger than the sum of its proper divisors (109169752).

122067128 is a wasteful number, since it uses less digits than its factorization.

122067128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157406 (or 157402 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 122067128 is about 11048.3993410810. The cubic root of 122067128 is about 496.0585150354.

The spelling of 122067128 in words is "one hundred twenty-two million, sixty-seven thousand, one hundred twenty-eight".