99122905 has 16 divisors (see below), whose sum is σ = 143095680. Its totient is φ = 64392192.

The previous prime is 99122873. The next prime is 99122911. The reversal of 99122905 is 50922199.

It is a cyclic number.

It is not a de Polignac number, because 99122905 - 2⁵ = 99122873 is a prime.

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, 73864 + ... + 75193.

It is an arithmetic number, because the mean of its divisors is an integer number (8943480).

Almost surely, 2^99122905 is an apocalyptic number.

99122905 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

99122905 is a deficient number, since it is larger than the sum of its proper divisors (43972775).

99122905 is a wasteful number, since it uses less digits than its factorization.

99122905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149088.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 99122905 is about 9956.0486640032. The cubic root of 99122905 is about 462.7978582910.

The spelling of 99122905 in words is "ninety-nine million, one hundred twenty-two thousand, nine hundred five".