126782 has 4 divisors (see below), whose sum is σ = 190176. Its totient is φ = 63390.

The previous prime is 126781. The next prime is 126823. The reversal of 126782 is 287621.

126782 is nontrivially palindromic in base 15.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 287621 = 71 ⋅4051.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 126782.

It is not an unprimeable number, because it can be changed into a prime (126781) 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 as a sum of consecutive naturals, namely, 31694 + ... + 31697.

It is an arithmetic number, because the mean of its divisors is an integer number (47544).

2¹²⁶⁷⁸² is an apocalyptic number.

126782 is a deficient number, since it is larger than the sum of its proper divisors (63394).

126782 is an equidigital number, since it uses as much as digits as its factorization.

126782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63393.

The product of its digits is 1344, while the sum is 26.

The square root of 126782 is about 356.0646008802. The cubic root of 126782 is about 50.2364797830.

Subtracting from 126782 its sum of digits (26), we obtain a triangular number (126756 = T₅₀₃).

The spelling of 126782 in words is "one hundred twenty-six thousand, seven hundred eighty-two".