120534563 has 4 divisors (see below), whose sum is σ = 120584400. Its totient is φ = 120484728.

The previous prime is 120534553. The next prime is 120534571. The reversal of 120534563 is 365435021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365435021 = 7 ⋅52205003.

It is a cyclic number.

It is not a de Polignac number, because 120534563 - 2⁸ = 120534307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120534553) 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, 21095 + ... + 26192.

It is an arithmetic number, because the mean of its divisors is an integer number (30146100).

Almost surely, 2^120534563 is an apocalyptic number.

120534563 is a deficient number, since it is larger than the sum of its proper divisors (49837).

120534563 is an equidigital number, since it uses as much as digits as its factorization.

120534563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49836.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 120534563 is about 10978.8233886879. The cubic root of 120534563 is about 493.9737442814.

Adding to 120534563 its reverse (365435021), we get a palindrome (485969584).

The spelling of 120534563 in words is "one hundred twenty million, five hundred thirty-four thousand, five hundred sixty-three".