120943632563 has 4 divisors (see below), whose sum is σ = 130246988928. Its totient is φ = 111640276200.

The previous prime is 120943632539. The next prime is 120943632571. The reversal of 120943632563 is 365236349021.

It is a happy number.

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 120943632563 - 2⁶ = 120943632499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120943632533) 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, 4651678163 + ... + 4651678188.

It is an arithmetic number, because the mean of its divisors is an integer number (32561747232).

Almost surely, 2^120943632563 is an apocalyptic number.

120943632563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

120943632563 is a deficient number, since it is larger than the sum of its proper divisors (9303356365).

120943632563 is an equidigital number, since it uses as much as digits as its factorization.

120943632563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9303356364.

The product of its (nonzero) digits is 699840, while the sum is 44.

The spelling of 120943632563 in words is "one hundred twenty billion, nine hundred forty-three million, six hundred thirty-two thousand, five hundred sixty-three".