7120225 has 48 divisors (see below), whose sum is σ = 11070720. Its totient is φ = 4435200.

The previous prime is 7120219. The next prime is 7120237. The reversal of 7120225 is 5220217.

It is not a de Polignac number, because 7120225 - 2⁷ = 7120097 is a prime.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 116695 + ... + 116755.

It is an arithmetic number, because the mean of its divisors is an integer number (230640).

Almost surely, 2^7120225 is an apocalyptic number.

It is an amenable number.

7120225 is a deficient number, since it is larger than the sum of its proper divisors (3950495).

7120225 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (7120224) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (130).

7120225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 7120225 is about 2668.3749736497. The cubic root of 7120225 is about 192.3820607753.

The spelling of 7120225 in words is "seven million, one hundred twenty thousand, two hundred twenty-five".