126573 has 8 divisors (see below), whose sum is σ = 174336. Its totient is φ = 81600.

The previous prime is 126551. The next prime is 126583. The reversal of 126573 is 375621.

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

It is not a de Polignac number, because 126573 - 2⁵ = 126541 is a prime.

126573 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588 + ... + 773.

It is an arithmetic number, because the mean of its divisors is an integer number (21792).

2¹²⁶⁵⁷³ is an apocalyptic number.

It is an amenable number.

126573 is a deficient number, since it is larger than the sum of its proper divisors (47763).

126573 is a wasteful number, since it uses less digits than its factorization.

126573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its digits is 1260, while the sum is 24.

The square root of 126573 is about 355.7709937586. The cubic root of 126573 is about 50.2088596713.

The spelling of 126573 in words is "one hundred twenty-six thousand, five hundred seventy-three".