122112243 has 24 divisors (see below), whose sum is σ = 199059120. Its totient is φ = 71453760.

The previous prime is 122112239. The next prime is 122112293. The reversal of 122112243 is 342211221.

It is a happy number.

It is not a de Polignac number, because 122112243 - 2² = 122112239 is a prime.

It is a super-2 number, since 2×122112243² = 29822799780982098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122112293) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18396 + ... + 24137.

It is an arithmetic number, because the mean of its divisors is an integer number (8294130).

Almost surely, 2^122112243 is an apocalyptic number.

122112243 is a deficient number, since it is larger than the sum of its proper divisors (76946877).

122112243 is a wasteful number, since it uses less digits than its factorization.

122112243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42579 (or 42576 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 122112243 is about 11050.4408509344. The cubic root of 122112243 is about 496.1196205482.

Adding to 122112243 its reverse (342211221), we get a palindrome (464323464).

The spelling of 122112243 in words is "one hundred twenty-two million, one hundred twelve thousand, two hundred forty-three".