4120115109 has 32 divisors (see below), whose sum is σ = 6271070208. Its totient is φ = 2383344000.

The previous prime is 4120115107. The next prime is 4120115141. The reversal of 4120115109 is 9015110214.

It is a happy number.

It is not a de Polignac number, because 4120115109 - 2¹ = 4120115107 is a prime.

It is a super-2 number, since 2×4120115109² = 33950697022820163762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120115107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47094 + ... + 102264.

It is an arithmetic number, because the mean of its divisors is an integer number (195970944).

Almost surely, 2^4120115109 is an apocalyptic number.

It is an amenable number.

4120115109 is a deficient number, since it is larger than the sum of its proper divisors (2150955099).

4120115109 is a wasteful number, since it uses less digits than its factorization.

4120115109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55289.

The product of its (nonzero) digits is 360, while the sum is 24.

The square root of 4120115109 is about 64188.1228032103. The cubic root of 4120115109 is about 1603.1338460242.

The spelling of 4120115109 in words is "four billion, one hundred twenty million, one hundred fifteen thousand, one hundred nine".