7122168 has 80 divisors (see below), whose sum is σ = 20691000. Its totient is φ = 2286144.

The previous prime is 7122149. The next prime is 7122179. The reversal of 7122168 is 8612217.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 18603 + ... + 18981.

Almost surely, 2^7122168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7122168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10345500).

7122168 is an abundant number, since it is smaller than the sum of its proper divisors (13568832).

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

7122168 is a wasteful number, since it uses less digits than its factorization.

7122168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426 (or 413 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 7122168 is about 2668.7390280805. The cubic root of 7122168 is about 192.3995585532.

It can be divided in two parts, 71221 and 68, that added together give a square (71289 = 267²).

The spelling of 7122168 in words is "seven million, one hundred twenty-two thousand, one hundred sixty-eight".