101162543 has 2 divisors, whose sum is σ = 101162544. Its totient is φ = 101162542.

The previous prime is 101162519. The next prime is 101162549. The reversal of 101162543 is 345261101.

It is a strong prime.

It is an emirp because it is prime and its reverse (345261101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101162543 - 2²⁰ = 100113967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101162549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50581271 + 50581272.

It is an arithmetic number, because the mean of its divisors is an integer number (50581272).

Almost surely, 2^101162543 is an apocalyptic number.

101162543 is a deficient number, since it is larger than the sum of its proper divisors (1).

101162543 is an equidigital number, since it uses as much as digits as its factorization.

101162543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 101162543 is about 10057.9591866342. The cubic root of 101162543 is about 465.9506400837.

The spelling of 101162543 in words is "one hundred one million, one hundred sixty-two thousand, five hundred forty-three".