126673 has 8 divisors (see below), whose sum is σ = 136800. Its totient is φ = 116928.

The previous prime is 126653. The next prime is 126683. The reversal of 126673 is 376621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 2-Lehmer number, since φ(126673) divides (126673-1)².

It is a cyclic number.

It is not a de Polignac number, because 126673 - 2⁵ = 126641 is a prime.

It is a d-powerful number, because it can be written as 1 + 2⁹ + 6 + 6⁵ + 7⁶ + 3⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126613) 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 7 ways as a sum of consecutive naturals, for example, 1065 + ... + 1177.

It is an arithmetic number, because the mean of its divisors is an integer number (17100).

2¹²⁶⁶⁷³ is an apocalyptic number.

It is an amenable number.

126673 is a deficient number, since it is larger than the sum of its proper divisors (10127).

126673 is a wasteful number, since it uses less digits than its factorization.

126673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 1512, while the sum is 25.

The square root of 126673 is about 355.9115058550. The cubic root of 126673 is about 50.2220788262. Note that the first 3 decimals are identical.

The spelling of 126673 in words is "one hundred twenty-six thousand, six hundred seventy-three".