8121099 has 8 divisors (see below), whose sum is σ = 12375040. Its totient is φ = 4640616.

The previous prime is 8121097. The next prime is 8121103. The reversal of 8121099 is 9901218.

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

It is not a de Polignac number, because 8121099 - 2¹ = 8121097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8121097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193339 + ... + 193380.

It is an arithmetic number, because the mean of its divisors is an integer number (1546880).

Almost surely, 2^8121099 is an apocalyptic number.

8121099 is a deficient number, since it is larger than the sum of its proper divisors (4253941).

8121099 is a wasteful number, since it uses less digits than its factorization.

8121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386729.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 8121099 is about 2849.7541999267. The cubic root of 8121099 is about 201.0041087252.

The spelling of 8121099 in words is "eight million, one hundred twenty-one thousand, ninety-nine".