120311147 has 6 divisors (see below), whose sum is σ = 132242964. Its totient is φ = 109373660.

The previous prime is 120311129. The next prime is 120311153. The reversal of 120311147 is 741113021.

It is a happy number.

It is not a de Polignac number, because 120311147 - 2⁸ = 120310891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120311167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 497033 + ... + 497274.

It is an arithmetic number, because the mean of its divisors is an integer number (22040494).

Almost surely, 2^120311147 is an apocalyptic number.

120311147 is a deficient number, since it is larger than the sum of its proper divisors (11931817).

120311147 is an equidigital number, since it uses as much as digits as its factorization.

120311147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994329 (or 994318 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 120311147 is about 10968.6438086028. The cubic root of 120311147 is about 493.6683549881.

Adding to 120311147 its reverse (741113021), we get a palindrome (861424168).

The spelling of 120311147 in words is "one hundred twenty million, three hundred eleven thousand, one hundred forty-seven".