73125708052121 has 8 divisors (see below), whose sum is σ = 73163549916864. Its totient is φ = 73087874554320.

The previous prime is 73125708052051. The next prime is 73125708052127. The reversal of 73125708052121 is 12125080752137.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 73125708052121 - 2³⁰ = 73124634310297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (73125708052127) 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, 15430406 + ... + 19604816.

It is an arithmetic number, because the mean of its divisors is an integer number (9145443739608).

Almost surely, 2^{73125708052121} is an apocalyptic number.

It is an amenable number.

73125708052121 is a deficient number, since it is larger than the sum of its proper divisors (37841864743).

73125708052121 is a wasteful number, since it uses less digits than its factorization.

73125708052121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183471.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 73125708052121 in words is "seventy-three trillion, one hundred twenty-five billion, seven hundred eight million, fifty-two thousand, one hundred twenty-one".