120115106507 has 4 divisors (see below), whose sum is σ = 131034661656. Its totient is φ = 109195551360.

The previous prime is 120115106497. The next prime is 120115106533. The reversal of 120115106507 is 705601511021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120115106507 is a prime.

It is a super-2 number, since 2×120115106507² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120115106507.

It is not an unprimeable number, because it can be changed into a prime (120115106107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5459777558 + ... + 5459777579.

It is an arithmetic number, because the mean of its divisors is an integer number (32758665414).

Almost surely, 2^120115106507 is an apocalyptic number.

120115106507 is a deficient number, since it is larger than the sum of its proper divisors (10919555149).

120115106507 is a wasteful number, since it uses less digits than its factorization.

120115106507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10919555148.

The product of its (nonzero) digits is 2100, while the sum is 29.

Adding to 120115106507 its reverse (705601511021), we get a palindrome (825716617528).

It can be divided in two parts, 120115 and 106507, that added together give a palindrome (226622).

The spelling of 120115106507 in words is "one hundred twenty billion, one hundred fifteen million, one hundred six thousand, five hundred seven".