120134143 has 4 divisors (see below), whose sum is σ = 121257000. Its totient is φ = 119011288.

The previous prime is 120134137. The next prime is 120134159. The reversal of 120134143 is 341431021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120134143 - 2¹⁷ = 120003071 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 120134143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120134123) 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, 561268 + ... + 561481.

It is an arithmetic number, because the mean of its divisors is an integer number (30314250).

Almost surely, 2^120134143 is an apocalyptic number.

120134143 is a deficient number, since it is larger than the sum of its proper divisors (1122857).

120134143 is a wasteful number, since it uses less digits than its factorization.

120134143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122856.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 120134143 is about 10960.5722022165. The cubic root of 120134143 is about 493.4261381388.

Adding to 120134143 its reverse (341431021), we get a palindrome (461565164).

It can be divided in two parts, 1201 and 34143, that added together give a square (35344 = 188²).

The spelling of 120134143 in words is "one hundred twenty million, one hundred thirty-four thousand, one hundred forty-three".