120225100 has 18 divisors (see below), whose sum is σ = 260888684. Its totient is φ = 48090000.

The previous prime is 120225089. The next prime is 120225101. The reversal of 120225100 is 1522021.

It is not an unprimeable number, because it can be changed into a prime (120225101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 601026 + ... + 601225.

Almost surely, 2^120225100 is an apocalyptic number.

120225100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120225100 is an abundant number, since it is smaller than the sum of its proper divisors (140663584).

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

120225100 is a wasteful number, since it uses less digits than its factorization.

120225100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202265 (or 1202258 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 120225100 is about 10964.7206986772. The cubic root of 120225100 is about 493.5506357438.

Adding to 120225100 its reverse (1522021), we get a palindrome (121747121).

The spelling of 120225100 in words is "one hundred twenty million, two hundred twenty-five thousand, one hundred".