120143039 has 4 divisors (see below), whose sum is σ = 120452280. Its totient is φ = 119833800.

The previous prime is 120143017. The next prime is 120143041. The reversal of 120143039 is 930341021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930341021 = 449 ⋅2072029.

It is a cyclic number.

It is not a de Polignac number, because 120143039 - 2¹² = 120138943 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 (120143239) 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, 154037 + ... + 154814.

It is an arithmetic number, because the mean of its divisors is an integer number (30113070).

Almost surely, 2^120143039 is an apocalyptic number.

120143039 is a deficient number, since it is larger than the sum of its proper divisors (309241).

120143039 is an equidigital number, since it uses as much as digits as its factorization.

120143039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309240.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 120143039 is about 10960.9780129330. The cubic root of 120143039 is about 493.4383173314.

The spelling of 120143039 in words is "one hundred twenty million, one hundred forty-three thousand, thirty-nine".