121246579387 has 2 divisors, whose sum is σ = 121246579388. Its totient is φ = 121246579386.

The previous prime is 121246579381. The next prime is 121246579429. The reversal of 121246579387 is 783975642121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121246579387 - 2²³ = 121238190779 is a prime.

It is not a weakly prime, because it can be changed into another prime (121246579381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60623289693 + 60623289694.

It is an arithmetic number, because the mean of its divisors is an integer number (60623289694).

Almost surely, 2^121246579387 is an apocalyptic number.

121246579387 is a deficient number, since it is larger than the sum of its proper divisors (1).

121246579387 is an equidigital number, since it uses as much as digits as its factorization.

121246579387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 55.

The spelling of 121246579387 in words is "one hundred twenty-one billion, two hundred forty-six million, five hundred seventy-nine thousand, three hundred eighty-seven".