120345047 has 8 divisors (see below), whose sum is σ = 122350800. Its totient is φ = 118355904.

The previous prime is 120345013. The next prime is 120345061. The reversal of 120345047 is 740543021.

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

It is a cyclic number.

It is not a de Polignac number, because 120345047 - 2¹⁰ = 120344023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120345077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10904 + ... + 18962.

It is an arithmetic number, because the mean of its divisors is an integer number (15293850).

Almost surely, 2^120345047 is an apocalyptic number.

120345047 is a deficient number, since it is larger than the sum of its proper divisors (2005753).

120345047 is a wasteful number, since it uses less digits than its factorization.

120345047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 120345047 is about 10970.1890138684. The cubic root of 120345047 is about 493.7147175130.

Adding to 120345047 its reverse (740543021), we get a palindrome (860888068).

The spelling of 120345047 in words is "one hundred twenty million, three hundred forty-five thousand, forty-seven".