126799 has 8 divisors (see below), whose sum is σ = 136800. Its totient is φ = 117216.

The previous prime is 126781. The next prime is 126823. The reversal of 126799 is 997621.

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

It is a de Polignac number, because none of the positive numbers 2^k-126799 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126719) 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 in 7 ways as a sum of consecutive naturals, for example, 777 + ... + 925.

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

2¹²⁶⁷⁹⁹ is an apocalyptic number.

126799 is a deficient number, since it is larger than the sum of its proper divisors (10001).

126799 is a wasteful number, since it uses less digits than its factorization.

126799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its digits is 6804, while the sum is 34.

The square root of 126799 is about 356.0884721526. The cubic root of 126799 is about 50.2387250596.

The spelling of 126799 in words is "one hundred twenty-six thousand, seven hundred ninety-nine".