120734510115 has 32 divisors (see below), whose sum is σ = 198531083520. Its totient is φ = 62619532416.

The previous prime is 120734510093. The next prime is 120734510123. The reversal of 120734510115 is 511015437021.

It is not a de Polignac number, because 120734510115 - 2²⁰ = 120733461539 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260997 + ... + 556406.

It is an arithmetic number, because the mean of its divisors is an integer number (6204096360).

Almost surely, 2^120734510115 is an apocalyptic number.

120734510115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120734510115 is a deficient number, since it is larger than the sum of its proper divisors (77796573405).

120734510115 is a wasteful number, since it uses less digits than its factorization.

120734510115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817683.

The product of its (nonzero) digits is 4200, while the sum is 30.

Adding to 120734510115 its reverse (511015437021), we get a palindrome (631749947136).

The spelling of 120734510115 in words is "one hundred twenty billion, seven hundred thirty-four million, five hundred ten thousand, one hundred fifteen".