120455131340 has 24 divisors (see below), whose sum is σ = 252962515680. Its totient is φ = 48180768768.

The previous prime is 120455131333. The next prime is 120455131373. The reversal of 120455131340 is 43131554021.

It is a super-2 number, since 2×120455131340² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146956 + ... + 1247564.

It is an arithmetic number, because the mean of its divisors is an integer number (10540104820).

Almost surely, 2^120455131340 is an apocalyptic number.

120455131340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120455131340 is an abundant number, since it is smaller than the sum of its proper divisors (132507384340).

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

120455131340 is a wasteful number, since it uses less digits than its factorization.

120455131340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160481 (or 160479 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 120455131340 its reverse (43131554021), we get a palindrome (163586685361).

The spelling of 120455131340 in words is "one hundred twenty billion, four hundred fifty-five million, one hundred thirty-one thousand, three hundred forty".