120513761513243 has 16 divisors (see below), whose sum is σ = 138165792574464. Its totient is φ = 102970681441440.

The previous prime is 120513761513227. The next prime is 120513761513291. The reversal of 120513761513243 is 342315167315021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120513761513243 - 2⁴ = 120513761513227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120513761513194 and 120513761513203.

It is not an unprimeable number, because it can be changed into a prime (120513761513203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334425146 + ... + 334785312.

It is an arithmetic number, because the mean of its divisors is an integer number (8635362035904).

Almost surely, 2^{120513761513243} is an apocalyptic number.

120513761513243 is a deficient number, since it is larger than the sum of its proper divisors (17652031061221).

120513761513243 is a wasteful number, since it uses less digits than its factorization.

120513761513243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511282.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 120513761513243 in words is "one hundred twenty trillion, five hundred thirteen billion, seven hundred sixty-one million, five hundred thirteen thousand, two hundred forty-three".