120543273253 has 8 divisors (see below), whose sum is σ = 130142830328. Its totient is φ = 110990430144.

The previous prime is 120543273247. The next prime is 120543273281. The reversal of 120543273253 is 352372345021.

It can be written as a sum of positive squares in 4 ways, for example, as 41569908769 + 78973364484 = 203887^2 + 281022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120543273253 - 2⁹ = 120543272741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120543273233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11673126 + ... + 11683447.

It is an arithmetic number, because the mean of its divisors is an integer number (16267853791).

Almost surely, 2^120543273253 is an apocalyptic number.

120543273253 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120543273253 is a deficient number, since it is larger than the sum of its proper divisors (9599557075).

120543273253 is a wasteful number, since it uses less digits than its factorization.

120543273253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356983.

The product of its (nonzero) digits is 151200, while the sum is 37.

The spelling of 120543273253 in words is "one hundred twenty billion, five hundred forty-three million, two hundred seventy-three thousand, two hundred fifty-three".