121030448 has 80 divisors (see below), whose sum is σ = 301885440. Its totient is φ = 45619200.

The previous prime is 121030447. The next prime is 121030451. The reversal of 121030448 is 844030121.

It is not an unprimeable number, because it can be changed into a prime (121030447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36608 + ... + 39776.

It is an arithmetic number, because the mean of its divisors is an integer number (3773568).

Almost surely, 2^121030448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121030448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150942720).

121030448 is an abundant number, since it is smaller than the sum of its proper divisors (180854992).

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

121030448 is a wasteful number, since it uses less digits than its factorization.

121030448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3220 counting only the distinct ones).

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

The square root of 121030448 is about 11001.3839129448. The cubic root of 121030448 is about 494.6502280274.

Adding to 121030448 its reverse (844030121), we get a palindrome (965060569).

The spelling of 121030448 in words is "one hundred twenty-one million, thirty thousand, four hundred forty-eight".