7122108 has 24 divisors (see below), whose sum is σ = 18992512. Its totient is φ = 2034864.

The previous prime is 7122107. The next prime is 7122109. The reversal of 7122108 is 8012217.

It is an interprime number because it is at equal distance from previous prime (7122107) and next prime (7122109).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7122103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42310 + ... + 42477.

Almost surely, 2^7122108 is an apocalyptic number.

It is an amenable number.

7122108 is an abundant number, since it is smaller than the sum of its proper divisors (11870404).

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

7122108 is a wasteful number, since it uses less digits than its factorization.

7122108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84801 (or 84799 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 7122108 is about 2668.7277867928. The cubic root of 7122108 is about 192.3990182680.

The spelling of 7122108 in words is "seven million, one hundred twenty-two thousand, one hundred eight".