122109091948 has 12 divisors (see below), whose sum is σ = 214608040920. Its totient is φ = 60792508832.

The previous prime is 122109091939. The next prime is 122109091961. The reversal of 122109091948 is 849190901221.

It is a junction number, because it is equal to n+sod(n) for n = 122109091898 and 122109091907.

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 3 ways as a sum of consecutive naturals, for example, 65508238 + ... + 65510101.

It is an arithmetic number, because the mean of its divisors is an integer number (17884003410).

Almost surely, 2^122109091948 is an apocalyptic number.

It is an amenable number.

122109091948 is a deficient number, since it is larger than the sum of its proper divisors (92498948972).

122109091948 is a wasteful number, since it uses less digits than its factorization.

122109091948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131018576 (or 131018574 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 46.

The spelling of 122109091948 in words is "one hundred twenty-two billion, one hundred nine million, ninety-one thousand, nine hundred forty-eight".