121275196 has 48 divisors (see below), whose sum is σ = 254296000. Its totient is φ = 50549184.

The previous prime is 121275169. The next prime is 121275257. The reversal of 121275196 is 691572121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49570 + ... + 51958.

Almost surely, 2^121275196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121275196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127148000).

121275196 is an abundant number, since it is smaller than the sum of its proper divisors (133020804).

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

121275196 is a wasteful number, since it uses less digits than its factorization.

121275196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2435 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 121275196 is about 11012.5018047672. The cubic root of 121275196 is about 494.9834310680.

The spelling of 121275196 in words is "one hundred twenty-one million, two hundred seventy-five thousand, one hundred ninety-six".