122538756 has 48 divisors (see below), whose sum is σ = 304020864. Its totient is φ = 38328576.

The previous prime is 122538739. The next prime is 122538803. The reversal of 122538756 is 657835221.

It is a zygodrome in base 5.

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 15 ways as a sum of consecutive naturals, for example, 10440 + ... + 18816.

It is an arithmetic number, because the mean of its divisors is an integer number (6333768).

Almost surely, 2^122538756 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122538756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152010432).

122538756 is an abundant number, since it is smaller than the sum of its proper divisors (181482108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122538756 is a wasteful number, since it uses less digits than its factorization.

122538756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8460 (or 8458 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 122538756 is about 11069.7224897465. The cubic root of 122538756 is about 496.6965640206.

The spelling of 122538756 in words is "one hundred twenty-two million, five hundred thirty-eight thousand, seven hundred fifty-six".