121245328 has 20 divisors (see below), whose sum is σ = 245127168. Its totient is φ = 57986720.

The previous prime is 121245307. The next prime is 121245353. The reversal of 121245328 is 823542121.

It is a junction number, because it is equal to n+sod(n) for n = 121245296 and 121245305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164368 + ... + 165103.

Almost surely, 2^121245328 is an apocalyptic number.

It is an amenable number.

121245328 is an abundant number, since it is smaller than the sum of its proper divisors (123881840).

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

121245328 is a wasteful number, since it uses less digits than its factorization.

121245328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329502 (or 329496 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 121245328 is about 11011.1456261372. The cubic root of 121245328 is about 494.9427924228.

Adding to 121245328 its reverse (823542121), we get a palindrome (944787449).

The spelling of 121245328 in words is "one hundred twenty-one million, two hundred forty-five thousand, three hundred twenty-eight".