121125196 has 12 divisors (see below), whose sum is σ = 212121000. Its totient is φ = 60519200.

The previous prime is 121125143. The next prime is 121125211. The reversal of 121125196 is 691521121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4105 + ... + 16096.

It is an arithmetic number, because the mean of its divisors is an integer number (17676750).

Almost surely, 2^121125196 is an apocalyptic number.

It is an amenable number.

121125196 is a deficient number, since it is larger than the sum of its proper divisors (90995804).

121125196 is a wasteful number, since it uses less digits than its factorization.

121125196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21704 (or 21702 counting only the distinct ones).

The product of its digits is 1080, while the sum is 28.

The square root of 121125196 is about 11005.6892560166. The cubic root of 121125196 is about 494.7792724015.

The spelling of 121125196 in words is "one hundred twenty-one million, one hundred twenty-five thousand, one hundred ninety-six".