126712 has 16 divisors (see below), whose sum is σ = 243360. Its totient is φ = 61824.

The previous prime is 126703. The next prime is 126713. The reversal of 126712 is 217621.

It is a self number, because there is not a number n which added to its sum of digits gives 126712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126713) by changing a digit.

126712 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208 + ... + 544.

It is an arithmetic number, because the mean of its divisors is an integer number (15210).

2¹²⁶⁷¹² is an apocalyptic number.

It is an amenable number.

126712 is a deficient number, since it is larger than the sum of its proper divisors (116648).

126712 is a wasteful number, since it uses less digits than its factorization.

126712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 386 counting only the distinct ones).

The product of its digits is 168, while the sum is 19.

The square root of 126712 is about 355.9662905389. The cubic root of 126712 is about 50.2272324109.

Subtracting 126712 from its reverse (217621), we obtain a palindrome (90909).

It can be divided in two parts, 126 and 712, that added together give a palindrome (838).

The spelling of 126712 in words is "one hundred twenty-six thousand, seven hundred twelve".