120100543 has 2 divisors, whose sum is σ = 120100544. Its totient is φ = 120100542.

The previous prime is 120100523. The next prime is 120100583. The reversal of 120100543 is 345001021.

It is a weak prime.

It is an emirp because it is prime and its reverse (345001021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120100543 - 2¹⁷ = 119969471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120100523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60050271 + 60050272.

It is an arithmetic number, because the mean of its divisors is an integer number (60050272).

Almost surely, 2^120100543 is an apocalyptic number.

120100543 is a deficient number, since it is larger than the sum of its proper divisors (1).

120100543 is an equidigital number, since it uses as much as digits as its factorization.

120100543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 120100543 is about 10959.0393283353. The cubic root of 120100543 is about 493.3801321666.

Adding to 120100543 its reverse (345001021), we get a palindrome (465101564).

The spelling of 120100543 in words is "one hundred twenty million, one hundred thousand, five hundred forty-three".