126115803 has 24 divisors (see below), whose sum is σ = 199093440. Its totient is φ = 76293360.

The previous prime is 126115793. The next prime is 126115817. The reversal of 126115803 is 308511621.

It is not a de Polignac number, because 126115803 - 2⁸ = 126115547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126115903) 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 23 ways as a sum of consecutive naturals, for example, 84300 + ... + 85782.

It is an arithmetic number, because the mean of its divisors is an integer number (8295560).

Almost surely, 2^126115803 is an apocalyptic number.

126115803 is a deficient number, since it is larger than the sum of its proper divisors (72977637).

126115803 is a wasteful number, since it uses less digits than its factorization.

126115803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359 (or 2356 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 126115803 is about 11230.1292512598. The cubic root of 126115803 is about 501.4833324315.

The spelling of 126115803 in words is "one hundred twenty-six million, one hundred fifteen thousand, eight hundred three".