122176156740 has 192 divisors, whose sum is σ = 378951229440. Its totient is φ = 29162560000.

The previous prime is 122176156723. The next prime is 122176156747. The reversal of 122176156740 is 47651671221.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 122176156692 and 122176156701.

It is not an unprimeable number, because it can be changed into a prime (122176156747) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51966565 + ... + 51968915.

It is an arithmetic number, because the mean of its divisors is an integer number (1973704320).

Almost surely, 2^122176156740 is an apocalyptic number.

122176156740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122176156740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189475614720).

122176156740 is an abundant number, since it is smaller than the sum of its proper divisors (256775072700).

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

122176156740 is a wasteful number, since it uses less digits than its factorization.

122176156740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3554 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 122176156740 in words is "one hundred twenty-two billion, one hundred seventy-six million, one hundred fifty-six thousand, seven hundred forty".