103120981543 has 2 divisors, whose sum is σ = 103120981544. Its totient is φ = 103120981542.

The previous prime is 103120981507. The next prime is 103120981549. The reversal of 103120981543 is 345189021301.

It is a strong prime.

It is an emirp because it is prime and its reverse (345189021301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103120981543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103120981549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560490771 + 51560490772.

It is an arithmetic number, because the mean of its divisors is an integer number (51560490772).

Almost surely, 2^103120981543 is an apocalyptic number.

103120981543 is a deficient number, since it is larger than the sum of its proper divisors (1).

103120981543 is an equidigital number, since it uses as much as digits as its factorization.

103120981543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 103120981543 in words is "one hundred three billion, one hundred twenty million, nine hundred eighty-one thousand, five hundred forty-three".