120543613 has 2 divisors, whose sum is σ = 120543614. Its totient is φ = 120543612.

The previous prime is 120543611. The next prime is 120543623. The reversal of 120543613 is 316345021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117223929 + 3319684 = 10827^2 + 1822^2 .

It is a cyclic number.

It is not a de Polignac number, because 120543613 - 2¹ = 120543611 is a prime.

Together with 120543611, 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 (120543611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60271806 + 60271807.

It is an arithmetic number, because the mean of its divisors is an integer number (60271807).

Almost surely, 2^120543613 is an apocalyptic number.

It is an amenable number.

120543613 is a deficient number, since it is larger than the sum of its proper divisors (1).

120543613 is an equidigital number, since it uses as much as digits as its factorization.

120543613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 120543613 is about 10979.2355380509. The cubic root of 120543613 is about 493.9861068503.

Adding to 120543613 its reverse (316345021), we get a palindrome (436888634).

The spelling of 120543613 in words is "one hundred twenty million, five hundred forty-three thousand, six hundred thirteen".