7112122 has 4 divisors (see below), whose sum is σ = 10668186. Its totient is φ = 3556060.

The previous prime is 7112111. The next prime is 7112153. The reversal of 7112122 is 2212117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2212117 = 23 ⋅96179.

It can be written as a sum of positive squares in only one way, i.e., 6765201 + 346921 = 2601^2 + 589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7112096 and 7112105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1778029 + ... + 1778032.

Almost surely, 2^7112122 is an apocalyptic number.

7112122 is a deficient number, since it is larger than the sum of its proper divisors (3556064).

7112122 is a wasteful number, since it uses less digits than its factorization.

7112122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556063.

The product of its digits is 56, while the sum is 16.

The square root of 7112122 is about 2666.8562015977. The cubic root of 7112122 is about 192.3090544888.

Subtracting from 7112122 its sum of digits (16), we obtain a triangular number (7112106 = T₃₇₇₁).

Adding to 7112122 its reverse (2212117), we get a palindrome (9324239).

The spelling of 7112122 in words is "seven million, one hundred twelve thousand, one hundred twenty-two".