121334628 has 24 divisors (see below), whose sum is σ = 283383520. Its totient is φ = 40406400.

The previous prime is 121334623. The next prime is 121334659. The reversal of 121334628 is 826433121.

It is a junction number, because it is equal to n+sod(n) for n = 121334595 and 121334604.

It is not an unprimeable number, because it can be changed into a prime (121334623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10203 + ... + 18621.

Almost surely, 2^121334628 is an apocalyptic number.

It is an amenable number.

121334628 is an abundant number, since it is smaller than the sum of its proper divisors (162048892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121334628 is a wasteful number, since it uses less digits than its factorization.

121334628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9627 (or 9625 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 121334628 is about 11015.1998620089. The cubic root of 121334628 is about 495.0642748901.

Adding to 121334628 its reverse (826433121), we get a palindrome (947767749).

It can be divided in two parts, 12133 and 4628, that added together give a palindrome (16761).

The spelling of 121334628 in words is "one hundred twenty-one million, three hundred thirty-four thousand, six hundred twenty-eight".