121115922 has 16 divisors (see below), whose sum is σ = 256480992. Its totient is φ = 37997120.

The previous prime is 121115909. The next prime is 121115933. The reversal of 121115922 is 229511121.

It is a junction number, because it is equal to n+sod(n) for n = 121115892 and 121115901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593604 + ... + 593807.

It is an arithmetic number, because the mean of its divisors is an integer number (16030062).

Almost surely, 2^121115922 is an apocalyptic number.

121115922 is an abundant number, since it is smaller than the sum of its proper divisors (135365070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121115922 is a wasteful number, since it uses less digits than its factorization.

121115922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187433.

The product of its digits is 360, while the sum is 24.

The square root of 121115922 is about 11005.2679204098. The cubic root of 121115922 is about 494.7666444204.

The spelling of 121115922 in words is "one hundred twenty-one million, one hundred fifteen thousand, nine hundred twenty-two".