126699803 has 8 divisors (see below), whose sum is σ = 130748880. Its totient is φ = 122683680.

The previous prime is 126699791. The next prime is 126699863. The reversal of 126699803 is 308996621.

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 126699803 - 2¹⁶ = 126634267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126699863) 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, 308 + ... + 15921.

It is an arithmetic number, because the mean of its divisors is an integer number (16343610).

Almost surely, 2^126699803 is an apocalyptic number.

126699803 is a deficient number, since it is larger than the sum of its proper divisors (4049077).

126699803 is a wasteful number, since it uses less digits than its factorization.

126699803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16477.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 126699803 is about 11256.1007013974. The cubic root of 126699803 is about 502.2562077397.

The spelling of 126699803 in words is "one hundred twenty-six million, six hundred ninety-nine thousand, eight hundred three".