120654663 has 8 divisors (see below), whose sum is σ = 160923648. Its totient is φ = 80411064.

The previous prime is 120654643. The next prime is 120654691. The reversal of 120654663 is 366456021.

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

It is not a de Polignac number, because 120654663 - 2⁸ = 120654407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120654613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15156 + ... + 21702.

It is an arithmetic number, because the mean of its divisors is an integer number (20115456).

Almost surely, 2^120654663 is an apocalyptic number.

120654663 is a deficient number, since it is larger than the sum of its proper divisors (40268985).

120654663 is an equidigital number, since it uses as much as digits as its factorization.

120654663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12693.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 120654663 is about 10984.2916476212. The cubic root of 120654663 is about 494.1377540946.

The spelling of 120654663 in words is "one hundred twenty million, six hundred fifty-four thousand, six hundred sixty-three".