7124216 has 32 divisors (see below), whose sum is σ = 14785200. Its totient is φ = 3191040.

The previous prime is 7124179. The next prime is 7124231. The reversal of 7124216 is 6124217.

It is a super-2 number, since 2×7124216² = 101508907229312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7124191 and 7124200.

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 7 ways as a sum of consecutive naturals, for example, 5870 + ... + 6978.

Almost surely, 2^7124216 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 7124216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7392600).

7124216 is an abundant number, since it is smaller than the sum of its proper divisors (7660984).

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

7124216 is a wasteful number, since it uses less digits than its factorization.

7124216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199 (or 1195 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 7124216 is about 2669.1227023125. The cubic root of 7124216 is about 192.4179984690.

Subtracting from 7124216 its reverse (6124217), we obtain a palindrome (999999).

The spelling of 7124216 in words is "seven million, one hundred twenty-four thousand, two hundred sixteen".