120011047 has 4 divisors (see below), whose sum is σ = 129242680. Its totient is φ = 110779416.

The previous prime is 120011039. The next prime is 120011053. The reversal of 120011047 is 740110021.

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 120011047 - 2³ = 120011039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120011047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120011057) 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, 4615797 + ... + 4615822.

It is an arithmetic number, because the mean of its divisors is an integer number (32310670).

Almost surely, 2^120011047 is an apocalyptic number.

120011047 is a deficient number, since it is larger than the sum of its proper divisors (9231633).

120011047 is an equidigital number, since it uses as much as digits as its factorization.

120011047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9231632.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 120011047 is about 10954.9553627571. The cubic root of 120011047 is about 493.2575500932.

Adding to 120011047 its reverse (740110021), we get a palindrome (860121068).

The spelling of 120011047 in words is "one hundred twenty million, eleven thousand, forty-seven".