120202543 has 2 divisors, whose sum is σ = 120202544. Its totient is φ = 120202542.

The previous prime is 120202519. The next prime is 120202549. The reversal of 120202543 is 345202021.

It is a strong prime.

It is an emirp because it is prime and its reverse (345202021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120202543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120202543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120202549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60101271 + 60101272.

It is an arithmetic number, because the mean of its divisors is an integer number (60101272).

Almost surely, 2^120202543 is an apocalyptic number.

120202543 is a deficient number, since it is larger than the sum of its proper divisors (1).

120202543 is an equidigital number, since it uses as much as digits as its factorization.

120202543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 120202543 is about 10963.6920332523. The cubic root of 120202543 is about 493.5197666545.

Adding to 120202543 its reverse (345202021), we get a palindrome (465404564).

The spelling of 120202543 in words is "one hundred twenty million, two hundred two thousand, five hundred forty-three".