126849711 has 4 divisors (see below), whose sum is σ = 169132952. Its totient is φ = 84566472.

The previous prime is 126849707. The next prime is 126849721. The reversal of 126849711 is 117948621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 126849711 - 2² = 126849707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 126849711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126849721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21141616 + ... + 21141621.

It is an arithmetic number, because the mean of its divisors is an integer number (42283238).

Almost surely, 2^126849711 is an apocalyptic number.

126849711 is a deficient number, since it is larger than the sum of its proper divisors (42283241).

126849711 is an equidigital number, since it uses as much as digits as its factorization.

126849711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42283240.

The product of its digits is 24192, while the sum is 39.

The square root of 126849711 is about 11262.7576996045. The cubic root of 126849711 is about 502.4542152785.

The spelling of 126849711 in words is "one hundred twenty-six million, eight hundred forty-nine thousand, seven hundred eleven".