120204291 has 4 divisors (see below), whose sum is σ = 160272392. Its totient is φ = 80136192.

The previous prime is 120204289. The next prime is 120204311. The reversal of 120204291 is 192402021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120204291 - 2¹ = 120204289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120214291) 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 3 ways as a sum of consecutive naturals, for example, 20034046 + ... + 20034051.

It is an arithmetic number, because the mean of its divisors is an integer number (40068098).

Almost surely, 2^120204291 is an apocalyptic number.

120204291 is a deficient number, since it is larger than the sum of its proper divisors (40068101).

120204291 is an equidigital number, since it uses as much as digits as its factorization.

120204291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40068100.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 120204291 is about 10963.7717506340. The cubic root of 120204291 is about 493.5221589177.

The spelling of 120204291 in words is "one hundred twenty million, two hundred four thousand, two hundred ninety-one".