120612660 has 48 divisors (see below), whose sum is σ = 385961856. Its totient is φ = 27568512.

The previous prime is 120612649. The next prime is 120612673. The reversal of 120612660 is 66216021.

It is a self number, because there is not a number n which added to its sum of digits gives 120612660.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 143167 + ... + 144006.

It is an arithmetic number, because the mean of its divisors is an integer number (8040872).

Almost surely, 2^120612660 is an apocalyptic number.

120612660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120612660 is an abundant number, since it is smaller than the sum of its proper divisors (265349196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120612660 is a wasteful number, since it uses less digits than its factorization.

120612660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287192 (or 287190 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 120612660 is about 10982.3795235823. The cubic root of 120612660 is about 494.0804067405.

Adding to 120612660 its reverse (66216021), we get a palindrome (186828681).

The spelling of 120612660 in words is "one hundred twenty million, six hundred twelve thousand, six hundred sixty".