121754228 has 12 divisors (see below), whose sum is σ = 213151680. Its totient is φ = 60853752.

The previous prime is 121754219. The next prime is 121754251. The reversal of 121754228 is 822457121.

It is a junction number, because it is equal to n+sod(n) for n = 121754194 and 121754203.

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, 11813 + ... + 19571.

It is an arithmetic number, because the mean of its divisors is an integer number (17762640).

Almost surely, 2^121754228 is an apocalyptic number.

It is an amenable number.

121754228 is a deficient number, since it is larger than the sum of its proper divisors (91397452).

121754228 is a wasteful number, since it uses less digits than its factorization.

121754228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11686 (or 11684 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 121754228 is about 11034.2298326616. The cubic root of 121754228 is about 495.6342962042.

The spelling of 121754228 in words is "one hundred twenty-one million, seven hundred fifty-four thousand, two hundred twenty-eight".