108121543 has 2 divisors, whose sum is σ = 108121544. Its totient is φ = 108121542.

The previous prime is 108121501. The next prime is 108121579. The reversal of 108121543 is 345121801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 108121543 - 2⁹ = 108121031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108121043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54060771 + 54060772.

It is an arithmetic number, because the mean of its divisors is an integer number (54060772).

Almost surely, 2^108121543 is an apocalyptic number.

108121543 is a deficient number, since it is larger than the sum of its proper divisors (1).

108121543 is an equidigital number, since it uses as much as digits as its factorization.

108121543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 108121543 is about 10398.1509413934. The cubic root of 108121543 is about 476.3988944369.

The spelling of 108121543 in words is "one hundred eight million, one hundred twenty-one thousand, five hundred forty-three".