80124999 has 16 divisors (see below), whose sum is σ = 110872800. Its totient is φ = 51408896.

The previous prime is 80124997. The next prime is 80125037. The reversal of 80124999 is 99942108.

It is a cyclic number.

It is not a de Polignac number, because 80124999 - 2¹ = 80124997 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 80124999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80124997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29407 + ... + 32015.

It is an arithmetic number, because the mean of its divisors is an integer number (6929550).

Almost surely, 2^80124999 is an apocalyptic number.

80124999 is a deficient number, since it is larger than the sum of its proper divisors (30747801).

80124999 is a wasteful number, since it uses less digits than its factorization.

80124999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 80124999 is about 8951.2568391260. The cubic root of 80124999 is about 431.1112397089. Note that the first 3 decimals are identical.

The spelling of 80124999 in words is "eighty million, one hundred twenty-four thousand, nine hundred ninety-nine".