99122 has 8 divisors (see below), whose sum is σ = 153900. Its totient is φ = 47824.

The previous prime is 99119. The next prime is 99131. The reversal of 99122 is 22199.

It can be written as a sum of positive squares in 2 ways, for example, as 96721 + 2401 = 311^2 + 49^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797 + ... + 912.

2⁹⁹¹²² is an apocalyptic number.

99122 is a deficient number, since it is larger than the sum of its proper divisors (54778).

99122 is a wasteful number, since it uses less digits than its factorization.

99122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its digits is 324, while the sum is 23.

The square root of 99122 is about 314.8364654864. The cubic root of 99122 is about 46.2796449826.

Subtracting from 99122 its sum of digits (23), we obtain a palindrome (99099).

The spelling of 99122 in words is "ninety-nine thousand, one hundred twenty-two".