120734756513 has 4 divisors (see below), whose sum is σ = 137982578880. Its totient is φ = 103486934148.

The previous prime is 120734756509. The next prime is 120734756531. The reversal of 120734756513 is 315657437021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120734756513 - 2² = 120734756509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120734756213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8623911173 + ... + 8623911186.

It is an arithmetic number, because the mean of its divisors is an integer number (34495644720).

Almost surely, 2^120734756513 is an apocalyptic number.

It is an amenable number.

120734756513 is a deficient number, since it is larger than the sum of its proper divisors (17247822367).

120734756513 is an equidigital number, since it uses as much as digits as its factorization.

120734756513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17247822366.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 120734756513 in words is "one hundred twenty billion, seven hundred thirty-four million, seven hundred fifty-six thousand, five hundred thirteen".