120455121600 has 1344 divisors, whose sum is σ = 509418823680. Its totient is φ = 27401932800.

The previous prime is 120455121583. The next prime is 120455121649. The reversal of 120455121600 is 6121554021.

120455121600 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 5 + 51 + 2 + 1 + 600 = 666.

120455121600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1125748747 + ... + 1125748853.

Almost surely, 2^120455121600 is an apocalyptic number.

120455121600 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 120455121600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254709411840).

120455121600 is an abundant number, since it is smaller than the sum of its proper divisors (388963702080).

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

120455121600 is a wasteful number, since it uses less digits than its factorization.

120455121600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 254 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 120455121600 its reverse (6121554021), we get a palindrome (126576675621).

The spelling of 120455121600 in words is "one hundred twenty billion, four hundred fifty-five million, one hundred twenty-one thousand, six hundred".