121688376 has 32 divisors (see below), whose sum is σ = 304508160. Its totient is φ = 40524512.

The previous prime is 121688339. The next prime is 121688419. The reversal of 121688376 is 673886121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36391 + ... + 39593.

It is an arithmetic number, because the mean of its divisors is an integer number (9515880).

Almost surely, 2^121688376 is an apocalyptic number.

It is an amenable number.

121688376 is an abundant number, since it is smaller than the sum of its proper divisors (182819784).

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

121688376 is a wasteful number, since it uses less digits than its factorization.

121688376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795 (or 4791 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 121688376 is about 11031.2454419254. The cubic root of 121688376 is about 495.5449238232.

The spelling of 121688376 in words is "one hundred twenty-one million, six hundred eighty-eight thousand, three hundred seventy-six".