43126 has 4 divisors (see below), whose sum is σ = 64692. Its totient is φ = 21562.

The previous prime is 43117. The next prime is 43133. The reversal of 43126 is 62134.

43126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a nialpdrome in base 15 and base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10780 + ... + 10783.

It is an arithmetic number, because the mean of its divisors is an integer number (16173).

2⁴³¹²⁶ is an apocalyptic number.

43126 is a deficient number, since it is larger than the sum of its proper divisors (21566).

43126 is a wasteful number, since it uses less digits than its factorization.

43126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21565.

The product of its digits is 144, while the sum is 16.

The square root of 43126 is about 207.6680042761. The cubic root of 43126 is about 35.0681664716.

It can be divided in two parts, 43 and 126, that added together give a square (169 = 13²).

The spelling of 43126 in words is "forty-three thousand, one hundred twenty-six".