120142405343 has 16 divisors (see below), whose sum is σ = 127316171520. Its totient is φ = 113133288576.

The previous prime is 120142405277. The next prime is 120142405379. The reversal of 120142405343 is 343504241021.

It is a cyclic number.

It is not a de Polignac number, because 120142405343 - 2²⁰ = 120141356767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142405843) 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, 2545463 + ... + 2592231.

It is an arithmetic number, because the mean of its divisors is an integer number (7957260720).

Almost surely, 2^120142405343 is an apocalyptic number.

120142405343 is a deficient number, since it is larger than the sum of its proper divisors (7173766177).

120142405343 is a wasteful number, since it uses less digits than its factorization.

120142405343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48526.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 120142405343 its reverse (343504241021), we get a palindrome (463646646364).

The spelling of 120142405343 in words is "one hundred twenty billion, one hundred forty-two million, four hundred five thousand, three hundred forty-three".