7121168 has 40 divisors (see below), whose sum is σ = 14814528. Its totient is φ = 3307392.

The previous prime is 7121161. The next prime is 7121173. The reversal of 7121168 is 8611217.

It is a super-2 number, since 2×7121168² = 101422067368448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7121161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13355 + ... + 13877.

Almost surely, 2^7121168 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 7121168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7407264).

7121168 is an abundant number, since it is smaller than the sum of its proper divisors (7693360).

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

7121168 is a wasteful number, since it uses less digits than its factorization.

7121168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 585 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

The square root of 7121168 is about 2668.5516671033. The cubic root of 7121168 is about 192.3905534037.

The spelling of 7121168 in words is "seven million, one hundred twenty-one thousand, one hundred sixty-eight".