7105120739 has 4 divisors (see below), whose sum is σ = 7414039056. Its totient is φ = 6796202424.

The previous prime is 7105120717. The next prime is 7105120741. The reversal of 7105120739 is 9370215017.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9370215017 = 15803 ⋅592939.

It is a cyclic number.

It is not a de Polignac number, because 7105120739 - 2¹² = 7105116643 is a prime.

It is a super-2 number, since 2×7105120739² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7105120699 and 7105120708.

It is not an unprimeable number, because it can be changed into a prime (7105120439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154459124 + ... + 154459169.

It is an arithmetic number, because the mean of its divisors is an integer number (1853509764).

Almost surely, 2^7105120739 is an apocalyptic number.

7105120739 is a deficient number, since it is larger than the sum of its proper divisors (308918317).

7105120739 is a wasteful number, since it uses less digits than its factorization.

7105120739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308918316.

The product of its (nonzero) digits is 13230, while the sum is 35.

The square root of 7105120739 is about 84291.8782505171. The cubic root of 7105120739 is about 1922.4592996559.

The spelling of 7105120739 in words is "seven billion, one hundred five million, one hundred twenty thousand, seven hundred thirty-nine".