100959543 has 12 divisors (see below), whose sum is σ = 145986568. Its totient is φ = 67234320.

The previous prime is 100959533. The next prime is 100959557. The reversal of 100959543 is 345959001.

100959543 is a `hidden beast` number, since 100 + 9 + 5 + 9 + 543 = 666.

It is not a de Polignac number, because 100959543 - 2¹⁰ = 100958519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100959498 and 100959507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100959533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3696 + ... + 14682.

Almost surely, 2^100959543 is an apocalyptic number.

100959543 is a deficient number, since it is larger than the sum of its proper divisors (45027025).

100959543 is a wasteful number, since it uses less digits than its factorization.

100959543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12014 (or 12011 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 100959543 is about 10047.8626085352. The cubic root of 100959543 is about 465.6387614088.

The spelling of 100959543 in words is "one hundred million, nine hundred fifty-nine thousand, five hundred forty-three".