101943 has 12 divisors (see below), whose sum is σ = 151008. Its totient is φ = 66240.

The previous prime is 101939. The next prime is 101957. The reversal of 101943 is 349101.

It is not a de Polignac number, because 101943 - 2² = 101939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303 + ... + 543.

It is an arithmetic number, because the mean of its divisors is an integer number (12584).

2¹⁰¹⁹⁴³ is an apocalyptic number.

101943 is a deficient number, since it is larger than the sum of its proper divisors (49065).

101943 is a wasteful number, since it uses less digits than its factorization.

101943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 101943 is about 319.2851390215. The cubic root of 101943 is about 46.7145823044.

It can be divided in two parts, 10 and 1943, that added together give a triangular number (1953 = T₆₂).

The spelling of 101943 in words is "one hundred one thousand, nine hundred forty-three".