120254101515140 has 96 divisors (see below), whose sum is σ = 259038019215360. Its totient is φ = 46868306276736.

The previous prime is 120254101515091. The next prime is 120254101515151. The reversal of 120254101515140 is 41515101452021.

It is a super-2 number, since 2×120254101515140² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120254101515097 and 120254101515106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 615948779 + ... + 616143981.

It is an arithmetic number, because the mean of its divisors is an integer number (2698312700160).

Almost surely, 2^{120254101515140} is an apocalyptic number.

120254101515140 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 120254101515140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129519009607680).

120254101515140 is an abundant number, since it is smaller than the sum of its proper divisors (138783917700220).

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

120254101515140 is a wasteful number, since it uses less digits than its factorization.

120254101515140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197001 (or 196999 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 32.

Adding to 120254101515140 its reverse (41515101452021), we get a palindrome (161769202967161).

The spelling of 120254101515140 in words is "one hundred twenty trillion, two hundred fifty-four billion, one hundred one million, five hundred fifteen thousand, one hundred forty".