121273000379 has 2 divisors, whose sum is σ = 121273000380. Its totient is φ = 121273000378.

The previous prime is 121273000369. The next prime is 121273000399. The reversal of 121273000379 is 973000372121.

It is a weak prime.

It is an emirp because it is prime and its reverse (973000372121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121273000379 - 2¹⁶ = 121272934843 is a prime.

It is not a weakly prime, because it can be changed into another prime (121273000369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60636500189 + 60636500190.

It is an arithmetic number, because the mean of its divisors is an integer number (60636500190).

Almost surely, 2^121273000379 is an apocalyptic number.

121273000379 is a deficient number, since it is larger than the sum of its proper divisors (1).

121273000379 is an equidigital number, since it uses as much as digits as its factorization.

121273000379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The spelling of 121273000379 in words is "one hundred twenty-one billion, two hundred seventy-three million, three hundred seventy-nine", and thus it is an aban number.