99122123 has 4 divisors (see below), whose sum is σ = 99142560. Its totient is φ = 99101688.

The previous prime is 99122119. The next prime is 99122129. The reversal of 99122123 is 32122199.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99122123 - 2² = 99122119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99122129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1661 + ... + 14177.

It is an arithmetic number, because the mean of its divisors is an integer number (24785640).

Almost surely, 2^99122123 is an apocalyptic number.

99122123 is a deficient number, since it is larger than the sum of its proper divisors (20437).

99122123 is a wasteful number, since it uses less digits than its factorization.

99122123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20436.

The product of its digits is 1944, while the sum is 29.

The square root of 99122123 is about 9956.0093913174. The cubic root of 99122123 is about 462.7966412535.

The spelling of 99122123 in words is "ninety-nine million, one hundred twenty-two thousand, one hundred twenty-three".