120145660 has 24 divisors (see below), whose sum is σ = 259126560. Its totient is φ = 46759104.

The previous prime is 120145651. The next prime is 120145687. The reversal of 120145660 is 66541021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80440 + ... + 81919.

It is an arithmetic number, because the mean of its divisors is an integer number (10796940).

Almost surely, 2^120145660 is an apocalyptic number.

120145660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120145660 is an abundant number, since it is smaller than the sum of its proper divisors (138980900).

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

120145660 is a wasteful number, since it uses less digits than its factorization.

120145660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162405 (or 162403 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 120145660 is about 10961.0975727798. The cubic root of 120145660 is about 493.4419055332.

Adding to 120145660 its reverse (66541021), we get a palindrome (186686681).

The spelling of 120145660 in words is "one hundred twenty million, one hundred forty-five thousand, six hundred sixty".