121252206 has 8 divisors (see below), whose sum is σ = 242504424. Its totient is φ = 40417400.

The previous prime is 121252189. The next prime is 121252207. The reversal of 121252206 is 602252121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

121252206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121252207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10104345 + ... + 10104356.

It is an arithmetic number, because the mean of its divisors is an integer number (30313053).

Almost surely, 2^121252206 is an apocalyptic number.

121252206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121252206 is a wasteful number, since it uses less digits than its factorization.

121252206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20208706.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121252206 is about 11011.4579416170. The cubic root of 121252206 is about 494.9521512774.

The spelling of 121252206 in words is "one hundred twenty-one million, two hundred fifty-two thousand, two hundred six".