101387543 has 2 divisors, whose sum is σ = 101387544. Its totient is φ = 101387542.

The previous prime is 101387521. The next prime is 101387557. The reversal of 101387543 is 345783101.

It is a strong prime.

It is an emirp because it is prime and its reverse (345783101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101387543 - 2¹⁴ = 101371159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101383543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50693771 + 50693772.

It is an arithmetic number, because the mean of its divisors is an integer number (50693772).

Almost surely, 2^101387543 is an apocalyptic number.

101387543 is a deficient number, since it is larger than the sum of its proper divisors (1).

101387543 is an equidigital number, since it uses as much as digits as its factorization.

101387543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 101387543 is about 10069.1381458395. The cubic root of 101387543 is about 466.2958313018.

The spelling of 101387543 in words is "one hundred one million, three hundred eighty-seven thousand, five hundred forty-three".