1112127122 has 6 divisors (see below), whose sum is σ = 1668261429. Its totient is φ = 556039980.

The previous prime is 1112127101. The next prime is 1112127217. The reversal of 1112127122 is 2217212111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1051769761 + 60357361 = 32431^2 + 7769^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=23581.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112127094 and 1112127103.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 35372 + ... + 58952.

Almost surely, 2^1112127122 is an apocalyptic number.

1112127122 is a deficient number, since it is larger than the sum of its proper divisors (556134307).

1112127122 is an frugal number, since it uses more digits than its factorization.

1112127122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47164 (or 23583 counting only the distinct ones).

The product of its digits is 112, while the sum is 20.

The square root of 1112127122 is about 33348.5700143200. The cubic root of 1112127122 is about 1036.0597706803.

Adding to 1112127122 its reverse (2217212111), we get a palindrome (3329339233).

The spelling of 1112127122 in words is "one billion, one hundred twelve million, one hundred twenty-seven thousand, one hundred twenty-two".