122164775140 has 24 divisors (see below), whose sum is σ = 256552732800. Its totient is φ = 48864632928.

The previous prime is 122164775099. The next prime is 122164775141. The reversal of 122164775140 is 41577461221.

It is a junction number, because it is equal to n+sod(n) for n = 122164775093 and 122164775102.

It is not an unprimeable number, because it can be changed into a prime (122164775141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223959 + ... + 1320001.

It is an arithmetic number, because the mean of its divisors is an integer number (10689697200).

Almost surely, 2^122164775140 is an apocalyptic number.

122164775140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122164775140 is an abundant number, since it is smaller than the sum of its proper divisors (134387957660).

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

122164775140 is a wasteful number, since it uses less digits than its factorization.

122164775140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159651 (or 159649 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 122164775140 in words is "one hundred twenty-two billion, one hundred sixty-four million, seven hundred seventy-five thousand, one hundred forty".