9121098 has 16 divisors (see below), whose sum is σ = 20848320. Its totient is φ = 2606016.

The previous prime is 9121097. The next prime is 9121153. The reversal of 9121098 is 8901219.

It is not an unprimeable number, because it can be changed into a prime (9121097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108543 + ... + 108626.

It is an arithmetic number, because the mean of its divisors is an integer number (1303020).

Almost surely, 2^9121098 is an apocalyptic number.

9121098 is an abundant number, since it is smaller than the sum of its proper divisors (11727222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9121098 is a wasteful number, since it uses less digits than its factorization.

9121098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217181.

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

The square root of 9121098 is about 3020.1155607029. The cubic root of 9121098 is about 208.9371696700.

The spelling of 9121098 in words is "nine million, one hundred twenty-one thousand, ninety-eight".