67243025121 has 8 divisors (see below), whose sum is σ = 89662591200. Its totient is φ = 44826071232.

The previous prime is 67243025117. The next prime is 67243025123. The reversal of 67243025121 is 12152034276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67243025121 - 2² = 67243025117 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67243025123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592171 + ... + 696528.

It is an arithmetic number, because the mean of its divisors is an integer number (11207823900).

Almost surely, 2^67243025121 is an apocalyptic number.

It is an amenable number.

67243025121 is a deficient number, since it is larger than the sum of its proper divisors (22419566079).

67243025121 is a wasteful number, since it uses less digits than its factorization.

67243025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306095.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 67243025121 its reverse (12152034276), we get a palindrome (79395059397).

The spelling of 67243025121 in words is "sixty-seven billion, two hundred forty-three million, twenty-five thousand, one hundred twenty-one".