7105122 has 12 divisors (see below), whose sum is σ = 15394470. Its totient is φ = 2368368.

The previous prime is 7105117. The next prime is 7105129. The reversal of 7105122 is 2215017.

It can be written as a sum of positive squares in only one way, i.e., 4004001 + 3101121 = 2001^2 + 1761^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 394729 = 7105122 / (7 + 1 + 0 + 5 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 7105095 and 7105104.

It is not an unprimeable number, because it can be changed into a prime (7105129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197347 + ... + 197382.

Almost surely, 2^7105122 is an apocalyptic number.

7105122 is an abundant number, since it is smaller than the sum of its proper divisors (8289348).

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

7105122 is a wasteful number, since it uses less digits than its factorization.

7105122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394737 (or 394734 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 7105122 is about 2665.5434717896. The cubic root of 7105122 is about 192.2459413387.

It can be divided in two parts, 7105 and 122, that added together give a palindrome (7227).

The spelling of 7105122 in words is "seven million, one hundred five thousand, one hundred twenty-two".