122768438 has 16 divisors (see below), whose sum is σ = 200366880. Its totient is φ = 56077056.

The previous prime is 122768431. The next prime is 122768453. The reversal of 122768438 is 834867221.

It is a junction number, because it is equal to n+sod(n) for n = 122768395 and 122768404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122768431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21818 + ... + 26861.

It is an arithmetic number, because the mean of its divisors is an integer number (12522930).

Almost surely, 2^122768438 is an apocalyptic number.

122768438 is a deficient number, since it is larger than the sum of its proper divisors (77598442).

122768438 is a wasteful number, since it uses less digits than its factorization.

122768438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48791.

The product of its digits is 129024, while the sum is 41.

The square root of 122768438 is about 11080.0919671273. The cubic root of 122768438 is about 497.0067000704.

The spelling of 122768438 in words is "one hundred twenty-two million, seven hundred sixty-eight thousand, four hundred thirty-eight".