120589945 has 16 divisors (see below), whose sum is σ = 167477760. Its totient is φ = 81641664.

The previous prime is 120589933. The next prime is 120590009. The reversal of 120589945 is 549985021.

It is a cyclic number.

It is not a de Polignac number, because 120589945 - 2⁵ = 120589913 is a prime.

It is a super-3 number, since 3×120589945³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19042 + ... + 24571.

It is an arithmetic number, because the mean of its divisors is an integer number (10467360).

Almost surely, 2^120589945 is an apocalyptic number.

It is an amenable number.

120589945 is a deficient number, since it is larger than the sum of its proper divisors (46887815).

120589945 is an equidigital number, since it uses as much as digits as its factorization.

120589945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43704.

The product of its (nonzero) digits is 129600, while the sum is 43.

The square root of 120589945 is about 10981.3453183114. The cubic root of 120589945 is about 494.0493880480.

The spelling of 120589945 in words is "one hundred twenty million, five hundred eighty-nine thousand, nine hundred forty-five".