121000973 has 2 divisors, whose sum is σ = 121000974. Its totient is φ = 121000972.

The previous prime is 121000937. The next prime is 121000993. The reversal of 121000973 is 379000121.

Together with previous prime (121000937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120187369 + 813604 = 10963^2 + 902^2 .

It is an emirp because it is prime and its reverse (379000121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121000973 - 2¹² = 120996877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121000993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500486 + 60500487.

It is an arithmetic number, because the mean of its divisors is an integer number (60500487).

Almost surely, 2^121000973 is an apocalyptic number.

It is an amenable number.

121000973 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000973 is an equidigital number, since it uses as much as digits as its factorization.

121000973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 121000973 is about 11000.0442271838. The cubic root of 121000973 is about 494.6100700908.

The spelling of 121000973 in words is "one hundred twenty-one million, nine hundred seventy-three", and thus it is an aban number.