120047843 has 4 divisors (see below), whose sum is σ = 121692408. Its totient is φ = 118403280.

The previous prime is 120047819. The next prime is 120047857. The reversal of 120047843 is 348740021.

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

It is a cyclic number.

It is not a de Polignac number, because 120047843 - 2¹⁰ = 120046819 is a prime.

It is a super-2 number, since 2×120047843² = 28822969217905298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120047243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822173 + ... + 822318.

It is an arithmetic number, because the mean of its divisors is an integer number (30423102).

Almost surely, 2^120047843 is an apocalyptic number.

120047843 is a deficient number, since it is larger than the sum of its proper divisors (1644565).

120047843 is an equidigital number, since it uses as much as digits as its factorization.

120047843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644564.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 120047843 is about 10956.6346566818. The cubic root of 120047843 is about 493.3079567034.

Adding to 120047843 its reverse (348740021), we get a palindrome (468787864).

The spelling of 120047843 in words is "one hundred twenty million, forty-seven thousand, eight hundred forty-three".