120989043 has 24 divisors (see below), whose sum is σ = 201084000. Its totient is φ = 68667264.

The previous prime is 120989023. The next prime is 120989083. The reversal of 120989043 is 340989021.

It is not a de Polignac number, because 120989043 - 2¹⁸ = 120726899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120988989 and 120989007.

It is not an unprimeable number, because it can be changed into a prime (120989023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2943 + ... + 15831.

It is an arithmetic number, because the mean of its divisors is an integer number (8378500).

Almost surely, 2^120989043 is an apocalyptic number.

120989043 is a deficient number, since it is larger than the sum of its proper divisors (80094957).

120989043 is a wasteful number, since it uses less digits than its factorization.

120989043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13051 (or 13048 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 120989043 is about 10999.5019432700. The cubic root of 120989043 is about 494.5938143205.

The spelling of 120989043 in words is "one hundred twenty million, nine hundred eighty-nine thousand, forty-three".