122086899 has 16 divisors (see below), whose sum is σ = 197312640. Its totient is φ = 73991880.

The previous prime is 122086873. The next prime is 122086901. The reversal of 122086899 is 998680221.

It is not a de Polignac number, because 122086899 - 2⁹ = 122086387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122086859) 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 15 ways as a sum of consecutive naturals, for example, 205237 + ... + 205830.

It is an arithmetic number, because the mean of its divisors is an integer number (12332040).

Almost surely, 2^122086899 is an apocalyptic number.

122086899 is a deficient number, since it is larger than the sum of its proper divisors (75225741).

122086899 is a wasteful number, since it uses less digits than its factorization.

122086899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411087 (or 411081 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 122086899 is about 11049.2940498477. The cubic root of 122086899 is about 496.0852955007.

The spelling of 122086899 in words is "one hundred twenty-two million, eighty-six thousand, eight hundred ninety-nine".