121784332 has 12 divisors (see below), whose sum is σ = 217657440. Its totient is φ = 59596496.

The previous prime is 121784321. The next prime is 121784339. The reversal of 121784332 is 233487121.

It is a junction number, because it is equal to n+sod(n) for n = 121784294 and 121784303.

It is not an unprimeable number, because it can be changed into a prime (121784339) 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, 323707 + ... + 324082.

It is an arithmetic number, because the mean of its divisors is an integer number (18138120).

Almost surely, 2^121784332 is an apocalyptic number.

It is an amenable number.

121784332 is a deficient number, since it is larger than the sum of its proper divisors (95873108).

121784332 is a wasteful number, since it uses less digits than its factorization.

121784332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647840 (or 647838 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 121784332 is about 11035.5938671192. The cubic root of 121784332 is about 495.6751417270.

The spelling of 121784332 in words is "one hundred twenty-one million, seven hundred eighty-four thousand, three hundred thirty-two".