120903647 has 8 divisors (see below), whose sum is σ = 123414720. Its totient is φ = 118409760.

The previous prime is 120903637. The next prime is 120903683. The reversal of 120903647 is 746309021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120903647 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 (120903637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10433 + ... + 18725.

It is an arithmetic number, because the mean of its divisors is an integer number (15426840).

Almost surely, 2^120903647 is an apocalyptic number.

120903647 is a deficient number, since it is larger than the sum of its proper divisors (2511073).

120903647 is an equidigital number, since it uses as much as digits as its factorization.

120903647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8593.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 120903647 is about 10995.6194459430. The cubic root of 120903647 is about 494.4774228599.

The spelling of 120903647 in words is "one hundred twenty million, nine hundred three thousand, six hundred forty-seven".