121922648 has 16 divisors (see below), whose sum is σ = 230743080. Its totient is φ = 60391168.

The previous prime is 121922611. The next prime is 121922651. The reversal of 121922648 is 846229121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70361 + ... + 72072.

Almost surely, 2^121922648 is an apocalyptic number.

It is an amenable number.

121922648 is a deficient number, since it is larger than the sum of its proper divisors (108820432).

121922648 is a wasteful number, since it uses less digits than its factorization.

121922648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142546 (or 142542 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 121922648 is about 11041.8589014713. The cubic root of 121922648 is about 495.8627243239.

The spelling of 121922648 in words is "one hundred twenty-one million, nine hundred twenty-two thousand, six hundred forty-eight".