121892196 has 24 divisors (see below), whose sum is σ = 286935264. Its totient is φ = 40270720.

The previous prime is 121892179. The next prime is 121892207. The reversal of 121892196 is 691298121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43590 + ... + 46301.

It is an arithmetic number, because the mean of its divisors is an integer number (11955636).

Almost surely, 2^121892196 is an apocalyptic number.

It is an amenable number.

121892196 is an abundant number, since it is smaller than the sum of its proper divisors (165043068).

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

121892196 is a wasteful number, since it uses less digits than its factorization.

121892196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90011 (or 90009 counting only the distinct ones).

The product of its digits is 15552, while the sum is 39.

The square root of 121892196 is about 11040.4798808747. The cubic root of 121892196 is about 495.8214378491.

The spelling of 121892196 in words is "one hundred twenty-one million, eight hundred ninety-two thousand, one hundred ninety-six".