121288748 has 12 divisors (see below), whose sum is σ = 242577552. Its totient is φ = 51980880.

The previous prime is 121288747. The next prime is 121288757. The reversal of 121288748 is 847882121.

121288748 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121288747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165843 + ... + 2165898.

It is an arithmetic number, because the mean of its divisors is an integer number (20214796).

Almost surely, 2^121288748 is an apocalyptic number.

It is an amenable number.

121288748 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

121288748 is a wasteful number, since it uses less digits than its factorization.

121288748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4331752 (or 4331750 counting only the distinct ones).

The product of its digits is 57344, while the sum is 41.

The square root of 121288748 is about 11013.1170882725. The cubic root of 121288748 is about 495.0018678296.

The spelling of 121288748 in words is "one hundred twenty-one million, two hundred eighty-eight thousand, seven hundred forty-eight".