120712147 has 4 divisors (see below), whose sum is σ = 120735160. Its totient is φ = 120689136.

The previous prime is 120712133. The next prime is 120712153. The reversal of 120712147 is 741217021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120712147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120712127) 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 3 ways as a sum of consecutive naturals, for example, 628 + ... + 15550.

It is an arithmetic number, because the mean of its divisors is an integer number (30183790).

Almost surely, 2^120712147 is an apocalyptic number.

120712147 is a deficient number, since it is larger than the sum of its proper divisors (23013).

120712147 is an equidigital number, since it uses as much as digits as its factorization.

120712147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23012.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 120712147 is about 10986.9079817754. The cubic root of 120712147 is about 494.2162163330.

Adding to 120712147 its reverse (741217021), we get a palindrome (861929168).

The spelling of 120712147 in words is "one hundred twenty million, seven hundred twelve thousand, one hundred forty-seven".