121875073 has 2 divisors, whose sum is σ = 121875074. Its totient is φ = 121875072.

The previous prime is 121875071. The next prime is 121875079. The reversal of 121875073 is 370578121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66699889 + 55175184 = 8167^2 + 7428^2 .

It is a cyclic number.

It is not a de Polignac number, because 121875073 - 2¹ = 121875071 is a prime.

Together with 121875071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (121875071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60937536 + 60937537.

It is an arithmetic number, because the mean of its divisors is an integer number (60937537).

Almost surely, 2^121875073 is an apocalyptic number.

It is an amenable number.

121875073 is a deficient number, since it is larger than the sum of its proper divisors (1).

121875073 is an equidigital number, since it uses as much as digits as its factorization.

121875073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 121875073 is about 11039.7043891583. The cubic root of 121875073 is about 495.7982196603.

The spelling of 121875073 in words is "one hundred twenty-one million, eight hundred seventy-five thousand, seventy-three".