7126820 has 24 divisors (see below), whose sum is σ = 15316224. Its totient is φ = 2784096.

The previous prime is 7126817. The next prime is 7126841. The reversal of 7126820 is 286217.

7126820 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 7126820.

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, 3284 + ... + 5003.

It is an arithmetic number, because the mean of its divisors is an integer number (638176).

Almost surely, 2^7126820 is an apocalyptic number.

It is an amenable number.

7126820 is an abundant number, since it is smaller than the sum of its proper divisors (8189404).

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

7126820 is a wasteful number, since it uses less digits than its factorization.

7126820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339 (or 8337 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 7126820 is about 2669.6104584752. The cubic root of 7126820 is about 192.4414394311.

The spelling of 7126820 in words is "seven million, one hundred twenty-six thousand, eight hundred twenty".