120660210 has 96 divisors (see below), whose sum is σ = 344215872. Its totient is φ = 29082240.

The previous prime is 120660187. The next prime is 120660217. The reversal of 120660210 is 12066021.

It is a happy number.

120660210 is a `hidden beast` number, since 1 + 2 + 0 + 660 + 2 + 1 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120660217) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303732 + ... + 304128.

It is an arithmetic number, because the mean of its divisors is an integer number (3585582).

Almost surely, 2^120660210 is an apocalyptic number.

120660210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 120660210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172107936).

120660210 is an abundant number, since it is smaller than the sum of its proper divisors (223555662).

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

120660210 is a wasteful number, since it uses less digits than its factorization.

120660210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 120660210 is about 10984.5441416565. The cubic root of 120660210 is about 494.1453265056.

It can be divided in two parts, 1206 and 60210, that added together give a palindrome (61416).

The spelling of 120660210 in words is "one hundred twenty million, six hundred sixty thousand, two hundred ten".