120291 has 8 divisors (see below), whose sum is σ = 162384. Its totient is φ = 79200.

The previous prime is 120283. The next prime is 120293. The reversal of 120291 is 192021.

It is a happy number.

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

It is not a de Polignac number, because 120291 - 2³ = 120283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120291.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 120291.

It is not an unprimeable number, because it can be changed into a prime (120293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105 + ... + 501.

It is an arithmetic number, because the mean of its divisors is an integer number (20298).

2¹²⁰²⁹¹ is an apocalyptic number.

120291 is a deficient number, since it is larger than the sum of its proper divisors (42093).

120291 is a wasteful number, since it uses less digits than its factorization.

120291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 120291 is about 346.8299295044. The cubic root of 120291 is about 49.3640797299.

The spelling of 120291 in words is "one hundred twenty thousand, two hundred ninety-one".