122542112 has 96 divisors (see below), whose sum is σ = 308375424. Its totient is φ = 46540800.

The previous prime is 122542109. The next prime is 122542117. The reversal of 122542112 is 211245221.

It is not an unprimeable number, because it can be changed into a prime (122542117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100418 + ... + 101630.

It is an arithmetic number, because the mean of its divisors is an integer number (3212244).

Almost surely, 2^122542112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122542112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154187712).

122542112 is an abundant number, since it is smaller than the sum of its proper divisors (185833312).

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

122542112 is a wasteful number, since it uses less digits than its factorization.

122542112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1274 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 122542112 is about 11069.8740733578. The cubic root of 122542112 is about 496.7010983642.

Adding to 122542112 its reverse (211245221), we get a palindrome (333787333).

The spelling of 122542112 in words is "one hundred twenty-two million, five hundred forty-two thousand, one hundred twelve".