126803685 has 16 divisors (see below), whose sum is σ = 206326080. Its totient is φ = 66481920.

The previous prime is 126803659. The next prime is 126803687. The reversal of 126803685 is 586308621.

It is a happy number.

It is not a de Polignac number, because 126803685 - 2⁵ = 126803653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126803687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70756 + ... + 72525.

It is an arithmetic number, because the mean of its divisors is an integer number (12895380).

Almost surely, 2^126803685 is an apocalyptic number.

126803685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126803685 is a deficient number, since it is larger than the sum of its proper divisors (79522395).

126803685 is a wasteful number, since it uses less digits than its factorization.

126803685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143348.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 126803685 is about 11260.7142313443. The cubic root of 126803685 is about 502.3934379616.

The spelling of 126803685 in words is "one hundred twenty-six million, eight hundred three thousand, six hundred eighty-five".