120647121000 has 1024 divisors, whose sum is σ = 474755973120. Its totient is φ = 24908083200.

The previous prime is 120647120999. The next prime is 120647121011. The reversal of 120647121000 is 121746021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 768452922 + ... + 768453078.

It is an arithmetic number, because the mean of its divisors is an integer number (463628880).

Almost surely, 2^120647121000 is an apocalyptic number.

120647121000 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 120647121000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237377986560).

120647121000 is an abundant number, since it is smaller than the sum of its proper divisors (354108852120).

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

120647121000 is a wasteful number, since it uses less digits than its factorization.

120647121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 120647121000 its reverse (121746021), we get a palindrome (120768867021).

The spelling of 120647121000 in words is "one hundred twenty billion, six hundred forty-seven million, one hundred twenty-one thousand".