120134506505 has 8 divisors (see below), whose sum is σ = 155250746952. Its totient is φ = 88714712448.

The previous prime is 120134506487. The next prime is 120134506511. The reversal of 120134506505 is 505605431021.

It can be written as a sum of positive squares in 4 ways, for example, as 4297064704 + 115837441801 = 65552^2 + 340349^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120134506505 - 2¹² = 120134502409 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 924111524 + ... + 924111653.

It is an arithmetic number, because the mean of its divisors is an integer number (19406343369).

Almost surely, 2^120134506505 is an apocalyptic number.

It is an amenable number.

120134506505 is a deficient number, since it is larger than the sum of its proper divisors (35116240447).

120134506505 is a wasteful number, since it uses less digits than its factorization.

120134506505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848223195.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 120134506505 its reverse (505605431021), we get a palindrome (625739937526).

The spelling of 120134506505 in words is "one hundred twenty billion, one hundred thirty-four million, five hundred six thousand, five hundred five".