121706814 has 8 divisors (see below), whose sum is σ = 243413640. Its totient is φ = 40568936.

The previous prime is 121706803. The next prime is 121706821. The reversal of 121706814 is 418607121.

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

121706814 is an admirable number.

It is a Curzon number.

It is a congruent number.

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, 10142229 + ... + 10142240.

It is an arithmetic number, because the mean of its divisors is an integer number (30426705).

Almost surely, 2^121706814 is an apocalyptic number.

121706814 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.

121706814 is a wasteful number, since it uses less digits than its factorization.

121706814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20284474.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 121706814 is about 11032.0811273304. The cubic root of 121706814 is about 495.5699505792.

The spelling of 121706814 in words is "one hundred twenty-one million, seven hundred six thousand, eight hundred fourteen".