120989039 has 8 divisors (see below), whose sum is σ = 126434400. Its totient is φ = 115559136.

The previous prime is 120989023. The next prime is 120989083. The reversal of 120989039 is 930989021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120989039 - 2⁴ = 120989023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120988987 and 120989005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120989339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13937 + ... + 20885.

It is an arithmetic number, because the mean of its divisors is an integer number (15804300).

Almost surely, 2^120989039 is an apocalyptic number.

120989039 is a deficient number, since it is larger than the sum of its proper divisors (5445361).

120989039 is an equidigital number, since it uses as much as digits as its factorization.

120989039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7729.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 120989039 is about 10999.5017614436. The cubic root of 120989039 is about 494.5938088699.

The spelling of 120989039 in words is "one hundred twenty million, nine hundred eighty-nine thousand, thirty-nine".