7128234 has 24 divisors (see below), whose sum is σ = 15567552. Its totient is φ = 2357160.

The previous prime is 7128227. The next prime is 7128259. The reversal of 7128234 is 4328217.

It is a junction number, because it is equal to n+sod(n) for n = 7128198 and 7128207.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 847 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (648648).

Almost surely, 2^7128234 is an apocalyptic number.

7128234 is an abundant number, since it is smaller than the sum of its proper divisors (8439318).

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

7128234 is a wasteful number, since it uses less digits than its factorization.

7128234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 3159 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 7128234 is about 2669.8752779858. The cubic root of 7128234 is about 192.4541657336.

The spelling of 7128234 in words is "seven million, one hundred twenty-eight thousand, two hundred thirty-four".