126766 has 8 divisors (see below), whose sum is σ = 191664. Its totient is φ = 62880.

The previous prime is 126761. The next prime is 126781. The reversal of 126766 is 667621.

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

It is a d-powerful number, because it can be written as 1 + 2³ + 7⁶ + 6² + 6⁴ + 6⁵ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351 + ... + 613.

It is an arithmetic number, because the mean of its divisors is an integer number (23958).

2¹²⁶⁷⁶⁶ is an apocalyptic number.

126766 is a deficient number, since it is larger than the sum of its proper divisors (64898).

126766 is a wasteful number, since it uses less digits than its factorization.

126766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506.

The product of its digits is 3024, while the sum is 28.

The square root of 126766 is about 356.0421323383. The cubic root of 126766 is about 50.2343663981.

The spelling of 126766 in words is "one hundred twenty-six thousand, seven hundred sixty-six".