120165443 has 16 divisors (see below), whose sum is σ = 129148320. Its totient is φ = 111476736.

The previous prime is 120165439. The next prime is 120165449. The reversal of 120165443 is 344561021.

It is a Cunningham number, because it is equal to 10962²-1.

It is a cyclic number.

It is not a de Polignac number, because 120165443 - 2² = 120165439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120165449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207971 + ... + 208547.

It is an arithmetic number, because the mean of its divisors is an integer number (8071770).

Almost surely, 2^120165443 is an apocalyptic number.

120165443 is a deficient number, since it is larger than the sum of its proper divisors (8982877).

120165443 is a wasteful number, since it uses less digits than its factorization.

120165443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 120165443 is about 10961.9999543879. Note that the first 4 decimals coincide. The cubic root of 120165443 is about 493.4689871759.

The spelling of 120165443 in words is "one hundred twenty million, one hundred sixty-five thousand, four hundred forty-three".