120775317740 has 96 divisors (see below), whose sum is σ = 322178217984. Its totient is φ = 36933960960.

The previous prime is 120775317727. The next prime is 120775317743. The reversal of 120775317740 is 47713577021.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 120775317691 and 120775317700.

It is not an unprimeable number, because it can be changed into a prime (120775317743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 658244 + ... + 821483.

It is an arithmetic number, because the mean of its divisors is an integer number (3356023104).

Almost surely, 2^120775317740 is an apocalyptic number.

120775317740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120775317740 is an abundant number, since it is smaller than the sum of its proper divisors (201402900244).

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

120775317740 is a wasteful number, since it uses less digits than its factorization.

120775317740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479807 (or 1479805 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 44.

The spelling of 120775317740 in words is "one hundred twenty billion, seven hundred seventy-five million, three hundred seventeen thousand, seven hundred forty".