121645468 has 48 divisors (see below), whose sum is σ = 251206144. Its totient is φ = 50466240.

The previous prime is 121645463. The next prime is 121645471. The reversal of 121645468 is 864546121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121645463) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 113905 + ... + 114967.

Almost surely, 2^121645468 is an apocalyptic number.

It is an amenable number.

121645468 is an abundant number, since it is smaller than the sum of its proper divisors (129560676).

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

121645468 is a wasteful number, since it uses less digits than its factorization.

121645468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1200 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 121645468 is about 11029.3004311244. The cubic root of 121645468 is about 495.4866730083.

The spelling of 121645468 in words is "one hundred twenty-one million, six hundred forty-five thousand, four hundred sixty-eight".