121806854 has 8 divisors (see below), whose sum is σ = 196764960. Its totient is φ = 56218536.

The previous prime is 121806847. The next prime is 121806869. The reversal of 121806854 is 458608121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342414 + ... + 2342465.

It is an arithmetic number, because the mean of its divisors is an integer number (24595620).

Almost surely, 2^121806854 is an apocalyptic number.

121806854 is a deficient number, since it is larger than the sum of its proper divisors (74958106).

121806854 is a wasteful number, since it uses less digits than its factorization.

121806854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4684894.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 121806854 is about 11036.6142453200. The cubic root of 121806854 is about 495.7056954861.

The spelling of 121806854 in words is "one hundred twenty-one million, eight hundred six thousand, eight hundred fifty-four".