121606684 has 12 divisors (see below), whose sum is σ = 213571008. Its totient is φ = 60586400.

The previous prime is 121606649. The next prime is 121606687. The reversal of 121606684 is 486606121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121606687) 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, 52972 + ... + 55219.

It is an arithmetic number, because the mean of its divisors is an integer number (17797584).

Almost surely, 2^121606684 is an apocalyptic number.

It is an amenable number.

121606684 is a deficient number, since it is larger than the sum of its proper divisors (91964324).

121606684 is a wasteful number, since it uses less digits than its factorization.

121606684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108476 (or 108474 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 121606684 is about 11027.5420652111. The cubic root of 121606684 is about 495.4340090439.

The spelling of 121606684 in words is "one hundred twenty-one million, six hundred six thousand, six hundred eighty-four".