120541501540 has 48 divisors (see below), whose sum is σ = 260295904512. Its totient is φ = 46856209536.

The previous prime is 120541501391. The next prime is 120541501541. The reversal of 120541501540 is 45105145021.

It is a junction number, because it is equal to n+sod(n) for n = 120541501499 and 120541501508.

It is not an unprimeable number, because it can be changed into a prime (120541501541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510057 + ... + 707983.

It is an arithmetic number, because the mean of its divisors is an integer number (5422831344).

Almost surely, 2^120541501540 is an apocalyptic number.

120541501540 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 120541501540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130147952256).

120541501540 is an abundant number, since it is smaller than the sum of its proper divisors (139754402972).

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

120541501540 is a wasteful number, since it uses less digits than its factorization.

120541501540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198796 (or 198794 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 120541501540 its reverse (45105145021), we get a palindrome (165646646561).

The spelling of 120541501540 in words is "one hundred twenty billion, five hundred forty-one million, five hundred one thousand, five hundred forty".