120542042141 has 4 divisors (see below), whose sum is σ = 120652937472. Its totient is φ = 120431146812.

The previous prime is 120542042107. The next prime is 120542042149. The reversal of 120542042141 is 141240245021.

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 a de Polignac number, because none of the positive numbers 2^k-120542042141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120542042141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120542042149) 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, 55446035 + ... + 55448208.

It is an arithmetic number, because the mean of its divisors is an integer number (30163234368).

Almost surely, 2^120542042141 is an apocalyptic number.

It is an amenable number.

120542042141 is a deficient number, since it is larger than the sum of its proper divisors (110895331).

120542042141 is a wasteful number, since it uses less digits than its factorization.

120542042141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110895330.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 120542042141 its reverse (141240245021), we get a palindrome (261782287162).

The spelling of 120542042141 in words is "one hundred twenty billion, five hundred forty-two million, forty-two thousand, one hundred forty-one".