122101688 has 8 divisors (see below), whose sum is σ = 228940680. Its totient is φ = 61050840.

The previous prime is 122101669. The next prime is 122101699. The reversal of 122101688 is 886101221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 122101688.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7631348 + ... + 7631363.

It is an arithmetic number, because the mean of its divisors is an integer number (28617585).

Almost surely, 2^122101688 is an apocalyptic number.

It is an amenable number.

122101688 is a deficient number, since it is larger than the sum of its proper divisors (106838992).

122101688 is a wasteful number, since it uses less digits than its factorization.

122101688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15262717 (or 15262713 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 122101688 is about 11049.9632578575. The cubic root of 122101688 is about 496.1053257941.

The spelling of 122101688 in words is "one hundred twenty-two million, one hundred one thousand, six hundred eighty-eight".