7120304105 has 4 divisors (see below), whose sum is σ = 8544364932. Its totient is φ = 5696243280.

The previous prime is 7120304077. The next prime is 7120304129. The reversal of 7120304105 is 5014030217.

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 2004621529 + 5115682576 = 44773^2 + 71524^2 .

It is not a de Polignac number, because 7120304105 - 2²² = 7116109801 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712030406 + ... + 712030415.

It is an arithmetic number, because the mean of its divisors is an integer number (2136091233).

Almost surely, 2^7120304105 is an apocalyptic number.

It is an amenable number.

7120304105 is a deficient number, since it is larger than the sum of its proper divisors (1424060827).

7120304105 is a wasteful number, since it uses less digits than its factorization.

7120304105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424060826.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 7120304105 is about 84381.8944146195. The cubic root of 7120304105 is about 1923.8277322123.

The spelling of 7120304105 in words is "seven billion, one hundred twenty million, three hundred four thousand, one hundred five".