8120090 has 16 divisors (see below), whose sum is σ = 15945120. Its totient is φ = 2952720.

The previous prime is 8120071. The next prime is 8120113. The reversal of 8120090 is 900218.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36800 + ... + 37019.

It is an arithmetic number, because the mean of its divisors is an integer number (996570).

Almost surely, 2^8120090 is an apocalyptic number.

8120090 is a deficient number, since it is larger than the sum of its proper divisors (7825030).

8120090 is a wasteful number, since it uses less digits than its factorization.

8120090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73837.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 8120090 is about 2849.5771616154. The cubic root of 8120090 is about 200.9957838443.

The spelling of 8120090 in words is "eight million, one hundred twenty thousand, ninety".