124999803 has 12 divisors (see below), whose sum is σ = 190058440. Its totient is φ = 78947136.

The previous prime is 124999747. The next prime is 124999829. The reversal of 124999803 is 308999421.

It is not a de Polignac number, because 124999803 - 2⁹ = 124999291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124999603) 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 11 ways as a sum of consecutive naturals, for example, 365326 + ... + 365667.

Almost surely, 2^124999803 is an apocalyptic number.

124999803 is a deficient number, since it is larger than the sum of its proper divisors (65058637).

124999803 is a wasteful number, since it uses less digits than its factorization.

124999803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731018 (or 731015 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 124999803 is about 11180.3310773876. The cubic root of 124999803 is about 499.9997373332. Note that the first 3 decimals are identical.

The spelling of 124999803 in words is "one hundred twenty-four million, nine hundred ninety-nine thousand, eight hundred three".