120545563807 has 4 divisors (see below), whose sum is σ = 123803552056. Its totient is φ = 117287575560.

The previous prime is 120545563781. The next prime is 120545563811. The reversal of 120545563807 is 708365545021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708365545021 = 191 ⋅3708720131.

It is a cyclic number.

It is not a de Polignac number, because 120545563807 - 2¹⁵ = 120545531039 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 (120545563837) 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, 1628994069 + ... + 1628994142.

It is an arithmetic number, because the mean of its divisors is an integer number (30950888014).

Almost surely, 2^120545563807 is an apocalyptic number.

120545563807 is a deficient number, since it is larger than the sum of its proper divisors (3257988249).

120545563807 is an equidigital number, since it uses as much as digits as its factorization.

120545563807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3257988248.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 120545563807 in words is "one hundred twenty billion, five hundred forty-five million, five hundred sixty-three thousand, eight hundred seven".