126803899 has 8 divisors (see below), whose sum is σ = 132572160. Its totient is φ = 121056936.

The previous prime is 126803893. The next prime is 126803903. The reversal of 126803899 is 998308621.

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

It is a cyclic number.

It is not a de Polignac number, because 126803899 - 2⁹ = 126803387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126803893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7542 + ... + 17620.

It is an arithmetic number, because the mean of its divisors is an integer number (16571520).

Almost surely, 2^126803899 is an apocalyptic number.

126803899 is a deficient number, since it is larger than the sum of its proper divisors (5768261).

126803899 is a wasteful number, since it uses less digits than its factorization.

126803899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10649.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 126803899 is about 11260.7237334019. The cubic root of 126803899 is about 502.3937205825.

The spelling of 126803899 in words is "one hundred twenty-six million, eight hundred three thousand, eight hundred ninety-nine".