126811683 has 16 divisors (see below), whose sum is σ = 188375040. Its totient is φ = 84313512.

The previous prime is 126811667. The next prime is 126811697. The reversal of 126811683 is 386118621.

It is not a de Polignac number, because 126811683 - 2⁴ = 126811667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126811603) 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 15 ways as a sum of consecutive naturals, for example, 4210 + ... + 16472.

It is an arithmetic number, because the mean of its divisors is an integer number (11773440).

Almost surely, 2^126811683 is an apocalyptic number.

126811683 is a deficient number, since it is larger than the sum of its proper divisors (61563357).

126811683 is a wasteful number, since it uses less digits than its factorization.

126811683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12655 (or 12649 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 126811683 is about 11261.0693541955. The cubic root of 126811683 is about 502.4040003734.

It can be divided in two parts, 1 and 26811683, that added together give a square (26811684 = 5178²).

The spelling of 126811683 in words is "one hundred twenty-six million, eight hundred eleven thousand, six hundred eighty-three".