121065973 has 16 divisors (see below), whose sum is σ = 141102720. Its totient is φ = 101736000.

The previous prime is 121065953. The next prime is 121065979. The reversal of 121065973 is 379560121.

It is a cyclic number.

It is not a de Polignac number, because 121065973 - 2²¹ = 118968821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121065979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76278 + ... + 77848.

It is an arithmetic number, because the mean of its divisors is an integer number (8818920).

Almost surely, 2^121065973 is an apocalyptic number.

It is an amenable number.

121065973 is a deficient number, since it is larger than the sum of its proper divisors (20036747).

121065973 is a wasteful number, since it uses less digits than its factorization.

121065973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 121065973 is about 11002.9983640824. The cubic root of 121065973 is about 494.6986200660.

The spelling of 121065973 in words is "one hundred twenty-one million, sixty-five thousand, nine hundred seventy-three".