8123090 has 8 divisors (see below), whose sum is σ = 14621580. Its totient is φ = 3249232.

The previous prime is 8123083. The next prime is 8123123. The reversal of 8123090 is 903218.

It can be written as a sum of positive squares in 2 ways, for example, as 7778521 + 344569 = 2789^2 + 587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8123090² = 131969182296200, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406145 + ... + 406164.

Almost surely, 2^8123090 is an apocalyptic number.

8123090 is a deficient number, since it is larger than the sum of its proper divisors (6498490).

8123090 is a wasteful number, since it uses less digits than its factorization.

8123090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812316.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 8123090 is about 2850.1035068923. The cubic root of 8123090 is about 201.0205336976.

The spelling of 8123090 in words is "eight million, one hundred twenty-three thousand, ninety".