121067228 has 12 divisors (see below), whose sum is σ = 219173640. Its totient is φ = 58446192.

The previous prime is 121067213. The next prime is 121067291. The reversal of 121067228 is 822760121.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 121067228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521726 + ... + 521957.

It is an arithmetic number, because the mean of its divisors is an integer number (18264470).

Almost surely, 2^121067228 is an apocalyptic number.

It is an amenable number.

121067228 is a deficient number, since it is larger than the sum of its proper divisors (98106412).

121067228 is a wasteful number, since it uses less digits than its factorization.

121067228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043716 (or 1043714 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 121067228 is about 11003.0553938440. The cubic root of 121067228 is about 494.7003294498.

The spelling of 121067228 in words is "one hundred twenty-one million, sixty-seven thousand, two hundred twenty-eight".