121126228 has 24 divisors (see below), whose sum is σ = 215151552. Its totient is φ = 59660544.

The previous prime is 121126217. The next prime is 121126231. The reversal of 121126228 is 822621121.

It is a super-3 number, since 3×121126228³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101451 + ... + 102637.

It is an arithmetic number, because the mean of its divisors is an integer number (8964648).

Almost surely, 2^121126228 is an apocalyptic number.

It is an amenable number.

121126228 is a deficient number, since it is larger than the sum of its proper divisors (94025324).

121126228 is a wasteful number, since it uses less digits than its factorization.

121126228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551 (or 1549 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 121126228 is about 11005.7361407586. The cubic root of 121126228 is about 494.7806775888.

Adding to 121126228 its reverse (822621121), we get a palindrome (943747349).

The spelling of 121126228 in words is "one hundred twenty-one million, one hundred twenty-six thousand, two hundred twenty-eight".