8125099 has 4 divisors (see below), whose sum is σ = 8603064. Its totient is φ = 7647136.

The previous prime is 8125097. The next prime is 8125109. The reversal of 8125099 is 9905218.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9905218 = 2 ⋅4952609.

It is a cyclic number.

It is not a de Polignac number, because 8125099 - 2¹ = 8125097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8125097) 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 3 ways as a sum of consecutive naturals, for example, 238957 + ... + 238990.

It is an arithmetic number, because the mean of its divisors is an integer number (2150766).

Almost surely, 2^8125099 is an apocalyptic number.

8125099 is a deficient number, since it is larger than the sum of its proper divisors (477965).

8125099 is a wasteful number, since it uses less digits than its factorization.

8125099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477964.

The product of its (nonzero) digits is 6480, while the sum is 34.

The square root of 8125099 is about 2850.4559284437. The cubic root of 8125099 is about 201.0371044428.

The spelling of 8125099 in words is "eight million, one hundred twenty-five thousand, ninety-nine".