121286706 has 8 divisors (see below), whose sum is σ = 242573424. Its totient is φ = 40428900.

The previous prime is 121286689. The next prime is 121286707. The reversal of 121286706 is 607682121.

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

121286706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121286707) by changing a digit.

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, 10107220 + ... + 10107231.

It is an arithmetic number, because the mean of its divisors is an integer number (30321678).

Almost surely, 2^121286706 is an apocalyptic number.

121286706 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.

121286706 is a wasteful number, since it uses less digits than its factorization.

121286706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20214456.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 121286706 is about 11013.0243802509. The cubic root of 121286706 is about 494.9990898871. Note that the first 3 decimals are identical.

The spelling of 121286706 in words is "one hundred twenty-one million, two hundred eighty-six thousand, seven hundred six".