120660655 has 8 divisors (see below), whose sum is σ = 144894384. Its totient is φ = 96460800.

The previous prime is 120660653. The next prime is 120660667. The reversal of 120660655 is 556066021.

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

It is not a de Polignac number, because 120660655 - 2¹ = 120660653 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 (120660653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175 + ... + 15535.

It is an arithmetic number, because the mean of its divisors is an integer number (18111798).

Almost surely, 2^120660655 is an apocalyptic number.

120660655 is a deficient number, since it is larger than the sum of its proper divisors (24233729).

120660655 is a wasteful number, since it uses less digits than its factorization.

120660655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16937.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 120660655 is about 10984.5643973714. The cubic root of 120660655 is about 494.1459339812.

The spelling of 120660655 in words is "one hundred twenty million, six hundred sixty thousand, six hundred fifty-five".