122178108488 has 12 divisors (see below), whose sum is σ = 229085807145. Its totient is φ = 61088559920.

The previous prime is 122178108473. The next prime is 122178108511. The reversal of 122178108488 is 884801871221.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 122176813444 + 1295044 = 349538^2 + 1138^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247162.

It is a super-2 number, since 2×122178108488² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 926858 + ... + 1050438.

Almost surely, 2^122178108488 is an apocalyptic number.

It is an amenable number.

122178108488 is a deficient number, since it is larger than the sum of its proper divisors (106907698657).

122178108488 is an frugal number, since it uses more digits than its factorization.

122178108488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247168 (or 123583 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 50.

Multiplying 122178108488 by its sum of digits (50), we get a square (6108905424400 = 2471620²).

The spelling of 122178108488 in words is "one hundred twenty-two billion, one hundred seventy-eight million, one hundred eight thousand, four hundred eighty-eight".