121814648 has 8 divisors (see below), whose sum is σ = 228402480. Its totient is φ = 60907320.

The previous prime is 121814597. The next prime is 121814689. The reversal of 121814648 is 846418121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7613408 + ... + 7613423.

It is an arithmetic number, because the mean of its divisors is an integer number (28550310).

Almost surely, 2^121814648 is an apocalyptic number.

It is an amenable number.

121814648 is a deficient number, since it is larger than the sum of its proper divisors (106587832).

121814648 is a wasteful number, since it uses less digits than its factorization.

121814648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15226837 (or 15226833 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 121814648 is about 11036.9673370904. The cubic root of 121814648 is about 495.7162680926.

The spelling of 121814648 in words is "one hundred twenty-one million, eight hundred fourteen thousand, six hundred forty-eight".