122450636124 has 144 divisors (see below), whose sum is σ = 324051725088. Its totient is φ = 38951829504.

The previous prime is 122450636117. The next prime is 122450636129. The reversal of 122450636124 is 421636054221.

122450636124 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 5 + 0 + 636 + 12 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122450636129) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14595859 + ... + 14604245.

It is an arithmetic number, because the mean of its divisors is an integer number (2250359202).

Almost surely, 2^122450636124 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 122450636124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162025862544).

122450636124 is an abundant number, since it is smaller than the sum of its proper divisors (201601088964).

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

122450636124 is a wasteful number, since it uses less digits than its factorization.

122450636124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8644 (or 8639 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 122450636124 in words is "one hundred twenty-two billion, four hundred fifty million, six hundred thirty-six thousand, one hundred twenty-four".