120485100 has 72 divisors (see below), whose sum is σ = 350133840. Its totient is φ = 31988480.

The previous prime is 120485093. The next prime is 120485117. The reversal of 120485100 is 1584021.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79954 + ... + 81446.

It is an arithmetic number, because the mean of its divisors is an integer number (4862970).

Almost surely, 2^120485100 is an apocalyptic number.

120485100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120485100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175066920).

120485100 is an abundant number, since it is smaller than the sum of its proper divisors (229648740).

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

120485100 is a wasteful number, since it uses less digits than its factorization.

120485100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1772 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 120485100 is about 10976.5705026661. The cubic root of 120485100 is about 493.9061654181.

The spelling of 120485100 in words is "one hundred twenty million, four hundred eighty-five thousand, one hundred".