120043135 has 4 divisors (see below), whose sum is σ = 144051768. Its totient is φ = 96034504.

The previous prime is 120043127. The next prime is 120043153. The reversal of 120043135 is 531340021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531340021 = 83 ⋅6401687.

It is a cyclic number.

It is not a de Polignac number, because 120043135 - 2³ = 120043127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004309 + ... + 12004318.

It is an arithmetic number, because the mean of its divisors is an integer number (36012942).

Almost surely, 2^120043135 is an apocalyptic number.

120043135 is a deficient number, since it is larger than the sum of its proper divisors (24008633).

120043135 is an equidigital number, since it uses as much as digits as its factorization.

120043135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008632.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 120043135 is about 10956.4198075831. The cubic root of 120043135 is about 493.3015078183.

Adding to 120043135 its reverse (531340021), we get a palindrome (651383156).

The spelling of 120043135 in words is "one hundred twenty million, forty-three thousand, one hundred thirty-five".