120478563 has 16 divisors (see below), whose sum is σ = 187881600. Its totient is φ = 76091400.

The previous prime is 120478537. The next prime is 120478571. The reversal of 120478563 is 365874021.

120478563 is a `hidden beast` number, since 1 + 20 + 4 + 78 + 563 = 666.

It is not a de Polignac number, because 120478563 - 2⁹ = 120478051 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (120478583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116913 + ... + 117938.

It is an arithmetic number, because the mean of its divisors is an integer number (11742600).

Almost surely, 2^120478563 is an apocalyptic number.

120478563 is a deficient number, since it is larger than the sum of its proper divisors (67403037).

120478563 is a wasteful number, since it uses less digits than its factorization.

120478563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234879 (or 234873 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 120478563 is about 10976.2727280257. The cubic root of 120478563 is about 493.8972328530.

The spelling of 120478563 in words is "one hundred twenty million, four hundred seventy-eight thousand, five hundred sixty-three".