120043042135 has 4 divisors (see below), whose sum is σ = 144051650568. Its totient is φ = 96034433704.

The previous prime is 120043042121. The next prime is 120043042151. The reversal of 120043042135 is 531240340021.

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 120043042135 - 2¹⁷ = 120042911063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004304209 + ... + 12004304218.

It is an arithmetic number, because the mean of its divisors is an integer number (36012912642).

Almost surely, 2^120043042135 is an apocalyptic number.

120043042135 is a deficient number, since it is larger than the sum of its proper divisors (24008608433).

120043042135 is an equidigital number, since it uses as much as digits as its factorization.

120043042135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008608432.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 120043042135 its reverse (531240340021), we get a palindrome (651283382156).

The spelling of 120043042135 in words is "one hundred twenty billion, forty-three million, forty-two thousand, one hundred thirty-five".