99000122 has 32 divisors (see below), whose sum is σ = 163122960. Its totient is φ = 44789760.

The previous prime is 99000107. The next prime is 99000137. The reversal of 99000122 is 22100099.

It is an interprime number because it is at equal distance from previous prime (99000107) and next prime (99000137).

It can be written as a sum of positive squares in 8 ways, for example, as 4541161 + 94458961 = 2131^2 + 9719^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512858 + ... + 513050.

Almost surely, 2^99000122 is an apocalyptic number.

99000122 is a deficient number, since it is larger than the sum of its proper divisors (64122838).

99000122 is a wasteful number, since it uses less digits than its factorization.

99000122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498.

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

The square root of 99000122 is about 9949.8805017950. The cubic root of 99000122 is about 462.6066909451.

Subtracting from 99000122 its sum of digits (23), we obtain a palindrome (99000099).

The spelling of 99000122 in words is "ninety-nine million, one hundred twenty-two", and thus it is an aban number.