126445 has 16 divisors (see below), whose sum is σ = 175680. Its totient is φ = 87120.

The previous prime is 126443. The next prime is 126457. The reversal of 126445 is 544621.

126445 = T₁₅₄ + T₁₅₅ + ... + T₁₆₃.

126445 is nontrivially palindromic in base 4.

It is not a de Polignac number, because 126445 - 2¹ = 126443 is a prime.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6646 + ... + 6664.

It is an arithmetic number, because the mean of its divisors is an integer number (10980).

2¹²⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

126445 is a deficient number, since it is larger than the sum of its proper divisors (49235).

126445 is an equidigital number, since it uses as much as digits as its factorization.

126445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57 (or 35 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 126445 is about 355.5910572554. The cubic root of 126445 is about 50.1919289893.

The spelling of 126445 in words is "one hundred twenty-six thousand, four hundred forty-five".