7119985 has 4 divisors (see below), whose sum is σ = 8543988. Its totient is φ = 5695984.

The previous prime is 7119979. The next prime is 7120007. The reversal of 7119985 is 5899117.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 829921 + 6290064 = 911^2 + 2508^2 .

It is a cyclic number.

It is not a de Polignac number, because 7119985 - 2³ = 7119977 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 711994 + ... + 712003.

It is an arithmetic number, because the mean of its divisors is an integer number (2135997).

Almost surely, 2^7119985 is an apocalyptic number.

It is an amenable number.

7119985 is a deficient number, since it is larger than the sum of its proper divisors (1424003).

7119985 is a wasteful number, since it uses less digits than its factorization.

7119985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424002.

The product of its digits is 22680, while the sum is 40.

The square root of 7119985 is about 2668.3300020800. The cubic root of 7119985 is about 192.3798992231.

The spelling of 7119985 in words is "seven million, one hundred nineteen thousand, nine hundred eighty-five".