120654100 has 72 divisors (see below), whose sum is σ = 316854720. Its totient is φ = 38929920.

The previous prime is 120654089. The next prime is 120654101. The reversal of 120654100 is 1456021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120654101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6831 + ... + 16969.

It is an arithmetic number, because the mean of its divisors is an integer number (4400760).

Almost surely, 2^120654100 is an apocalyptic number.

120654100 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 120654100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158427360).

120654100 is an abundant number, since it is smaller than the sum of its proper divisors (196200620).

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

120654100 is a wasteful number, since it uses less digits than its factorization.

120654100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10177 (or 10170 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 120654100 is about 10984.2660200853. The cubic root of 120654100 is about 494.1369855099.

The spelling of 120654100 in words is "one hundred twenty million, six hundred fifty-four thousand, one hundred".