120734081280 has 576 divisors, whose sum is σ = 440797593600. Its totient is φ = 31277998080.

The previous prime is 120734081267. The next prime is 120734081291. The reversal of 120734081280 is 82180437021.

120734081280 is a `hidden beast` number, since 120 + 7 + 3 + 408 + 128 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 388212325 + ... + 388212635.

It is an arithmetic number, because the mean of its divisors is an integer number (765273600).

Almost surely, 2^120734081280 is an apocalyptic number.

120734081280 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 120734081280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220398796800).

120734081280 is an abundant number, since it is smaller than the sum of its proper divisors (320063512320).

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

120734081280 is a wasteful number, since it uses less digits than its factorization.

120734081280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 120734081280 in words is "one hundred twenty billion, seven hundred thirty-four million, eighty-one thousand, two hundred eighty".