122918112 has 36 divisors (see below), whose sum is σ = 349549200. Its totient is φ = 40972608.

The previous prime is 122918099. The next prime is 122918119. The reversal of 122918112 is 211819221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122918119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213112 + ... + 213687.

It is an arithmetic number, because the mean of its divisors is an integer number (9709700).

Almost surely, 2^122918112 is an apocalyptic number.

122918112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122918112 is an abundant number, since it is smaller than the sum of its proper divisors (226631088).

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

122918112 is a wasteful number, since it uses less digits than its factorization.

122918112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426815 (or 426804 counting only the distinct ones).

The product of its digits is 576, while the sum is 27.

The square root of 122918112 is about 11086.8440955937. The cubic root of 122918112 is about 497.2085944440.

The spelling of 122918112 in words is "one hundred twenty-two million, nine hundred eighteen thousand, one hundred twelve".