8120497 has 16 divisors (see below), whose sum is σ = 10202112. Its totient is φ = 6279120.

The previous prime is 8120491. The next prime is 8120527. The reversal of 8120497 is 7940218.

It is a cyclic number.

It is not a de Polignac number, because 8120497 - 2⁷ = 8120369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8120491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12228 + ... + 12874.

It is an arithmetic number, because the mean of its divisors is an integer number (637632).

Almost surely, 2^8120497 is an apocalyptic number.

It is an amenable number.

8120497 is a deficient number, since it is larger than the sum of its proper divisors (2081615).

8120497 is a wasteful number, since it uses less digits than its factorization.

8120497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8120497 is about 2849.6485748246. The cubic root of 8120497 is about 200.9991419318. Note that the first 3 decimals are identical.

The spelling of 8120497 in words is "eight million, one hundred twenty thousand, four hundred ninety-seven".