8124091 has 4 divisors (see below), whose sum is σ = 8296992. Its totient is φ = 7951192.

The previous prime is 8124073. The next prime is 8124101. The reversal of 8124091 is 1904218.

It is a happy number.

8124091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8124091 - 2¹¹ = 8122043 is a prime.

It is a Duffinian number.

8124091 is a lucky number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (8124071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86380 + ... + 86473.

It is an arithmetic number, because the mean of its divisors is an integer number (2074248).

Almost surely, 2^8124091 is an apocalyptic number.

8124091 is a deficient number, since it is larger than the sum of its proper divisors (172901).

8124091 is a wasteful number, since it uses less digits than its factorization.

8124091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172900.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 8124091 is about 2850.2791091400. The cubic root of 8124091 is about 201.0287905427.

The spelling of 8124091 in words is "eight million, one hundred twenty-four thousand, ninety-one".