7120055 has 8 divisors (see below), whose sum is σ = 8661552. Its totient is φ = 5617728.

The previous prime is 7120039. The next prime is 7120063. The reversal of 7120055 is 5500217.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7120055 - 2⁴ = 7120039 is a prime.

It is an Ulam number.

It is a Duffinian number.

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, 9389 + ... + 10118.

It is an arithmetic number, because the mean of its divisors is an integer number (1082694).

Almost surely, 2^7120055 is an apocalyptic number.

7120055 is a deficient number, since it is larger than the sum of its proper divisors (1541497).

7120055 is a wasteful number, since it uses less digits than its factorization.

7120055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19585.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 7120055 is about 2668.3431188661. The cubic root of 7120055 is about 192.3805296808.

The spelling of 7120055 in words is "seven million, one hundred twenty thousand, fifty-five".