120959989 has 8 divisors (see below), whose sum is σ = 125167680. Its totient is φ = 116815776.

The previous prime is 120959977. The next prime is 120960001. The reversal of 120959989 is 989959021.

It is an interprime number because it is at equal distance from previous prime (120959977) and next prime (120960001).

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 120959989 - 2¹³ = 120951797 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 (120959089) 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, 11977 + ... + 19630.

It is an arithmetic number, because the mean of its divisors is an integer number (15645960).

Almost surely, 2^120959989 is an apocalyptic number.

It is an amenable number.

120959989 is a deficient number, since it is larger than the sum of its proper divisors (4207691).

120959989 is an equidigital number, since it uses as much as digits as its factorization.

120959989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31739.

The product of its (nonzero) digits is 524880, while the sum is 52.

The square root of 120959989 is about 10998.1811678113. The cubic root of 120959989 is about 494.5542209856.

The spelling of 120959989 in words is "one hundred twenty million, nine hundred fifty-nine thousand, nine hundred eighty-nine".