121043228 has 6 divisors (see below), whose sum is σ = 211825656. Its totient is φ = 60521612.

The previous prime is 121043191. The next prime is 121043239. The reversal of 121043228 is 822340121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15130400 + ... + 15130407.

It is an arithmetic number, because the mean of its divisors is an integer number (35304276).

Almost surely, 2^121043228 is an apocalyptic number.

It is an amenable number.

121043228 is a deficient number, since it is larger than the sum of its proper divisors (90782428).

121043228 is a wasteful number, since it uses less digits than its factorization.

121043228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30260811 (or 30260809 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 121043228 is about 11001.9647336283. The cubic root of 121043228 is about 494.6676379919.

Adding to 121043228 its reverse (822340121), we get a palindrome (943383349).

The spelling of 121043228 in words is "one hundred twenty-one million, forty-three thousand, two hundred twenty-eight".