122743112 has 12 divisors (see below), whose sum is σ = 230202105. Its totient is φ = 61355888.

The previous prime is 122743091. The next prime is 122743123. The reversal of 122743112 is 211347221.

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 109537156 + 13205956 = 10466^2 + 3634^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7834.

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, 29378 + ... + 33294.

Almost surely, 2^122743112 is an apocalyptic number.

It is an amenable number.

122743112 is a deficient number, since it is larger than the sum of its proper divisors (107458993).

122743112 is an frugal number, since it uses more digits than its factorization.

122743112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840 (or 3919 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 122743112 is about 11078.9490476308. The cubic root of 122743112 is about 496.9725217492.

The spelling of 122743112 in words is "one hundred twenty-two million, seven hundred forty-three thousand, one hundred twelve".