120042347 has 2 divisors, whose sum is σ = 120042348. Its totient is φ = 120042346.

The previous prime is 120042311. The next prime is 120042353. The reversal of 120042347 is 743240021.

It is a strong prime.

It is an emirp because it is prime and its reverse (743240021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120042347 - 2¹² = 120038251 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120042647) 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 as a sum of consecutive naturals, namely, 60021173 + 60021174.

It is an arithmetic number, because the mean of its divisors is an integer number (60021174).

Almost surely, 2^120042347 is an apocalyptic number.

120042347 is a deficient number, since it is larger than the sum of its proper divisors (1).

120042347 is an equidigital number, since it uses as much as digits as its factorization.

120042347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 120042347 is about 10956.3838468721. The cubic root of 120042347 is about 493.3004284217.

Adding to 120042347 its reverse (743240021), we get a palindrome (863282368).

The spelling of 120042347 in words is "one hundred twenty million, forty-two thousand, three hundred forty-seven".