120307543 has 2 divisors, whose sum is σ = 120307544. Its totient is φ = 120307542.

The previous prime is 120307541. The next prime is 120307547. The reversal of 120307543 is 345703021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120307543 - 2¹ = 120307541 is a prime.

Together with 120307541, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120307541) by changing a digit.

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 as a sum of consecutive naturals, namely, 60153771 + 60153772.

It is an arithmetic number, because the mean of its divisors is an integer number (60153772).

Almost surely, 2^120307543 is an apocalyptic number.

120307543 is a deficient number, since it is larger than the sum of its proper divisors (1).

120307543 is an equidigital number, since it uses as much as digits as its factorization.

120307543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 120307543 is about 10968.4795208816. The cubic root of 120307543 is about 493.6634255515.

The spelling of 120307543 in words is "one hundred twenty million, three hundred seven thousand, five hundred forty-three".