122125099 has 4 divisors (see below), whose sum is σ = 122243680. Its totient is φ = 122006520.

The previous prime is 122125097. The next prime is 122125109. The reversal of 122125099 is 990521221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990521221 = 3347 ⋅295943.

It is a cyclic number.

It is not a de Polignac number, because 122125099 - 2¹ = 122125097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122125099.

It is not an unprimeable number, because it can be changed into a prime (122125097) 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, 57732 + ... + 59809.

It is an arithmetic number, because the mean of its divisors is an integer number (30560920).

Almost surely, 2^122125099 is an apocalyptic number.

122125099 is a deficient number, since it is larger than the sum of its proper divisors (118581).

122125099 is a wasteful number, since it uses less digits than its factorization.

122125099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118580.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 122125099 is about 11051.0225318746. The cubic root of 122125099 is about 496.1370304597.

The spelling of 122125099 in words is "one hundred twenty-two million, one hundred twenty-five thousand, ninety-nine".