121500048 has 40 divisors (see below), whose sum is σ = 317667168. Its totient is φ = 40010752.

The previous prime is 121500031. The next prime is 121500059. The reversal of 121500048 is 840005121.

It is a zygodrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 121499997 and 121500033.

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, 11265 + ... + 19232.

Almost surely, 2^121500048 is an apocalyptic number.

It is an amenable number.

121500048 is an abundant number, since it is smaller than the sum of its proper divisors (196167120).

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

121500048 is a wasteful number, since it uses less digits than its factorization.

121500048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30591 (or 30585 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 121500048 is about 11022.7060198483. The cubic root of 121500048 is about 495.2891525574.

Adding to 121500048 its reverse (840005121), we get a palindrome (961505169).

The spelling of 121500048 in words is "one hundred twenty-one million, five hundred thousand, forty-eight".