120540533343 has 16 divisors (see below), whose sum is σ = 169230122880. Its totient is φ = 76108171104.

The previous prime is 120540533339. The next prime is 120540533371. The reversal of 120540533343 is 343335045021.

It is not a de Polignac number, because 120540533343 - 2² = 120540533339 is a prime.

It is a super-2 number, since 2×120540533343² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120540533143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121221 + ... + 505742.

It is an arithmetic number, because the mean of its divisors is an integer number (10576882680).

Almost surely, 2^120540533343 is an apocalyptic number.

120540533343 is a deficient number, since it is larger than the sum of its proper divisors (48689589537).

120540533343 is a wasteful number, since it uses less digits than its factorization.

120540533343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630358.

The product of its (nonzero) digits is 64800, while the sum is 33.

Adding to 120540533343 its reverse (343335045021), we get a palindrome (463875578364).

The spelling of 120540533343 in words is "one hundred twenty billion, five hundred forty million, five hundred thirty-three thousand, three hundred forty-three".