121000252579 has 2 divisors, whose sum is σ = 121000252580. Its totient is φ = 121000252578.

The previous prime is 121000252553. The next prime is 121000252591. The reversal of 121000252579 is 975252000121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121000252579 - 2⁵ = 121000252547 is a prime.

It is a super-2 number, since 2×121000252579² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121000252519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500126289 + 60500126290.

It is an arithmetic number, because the mean of its divisors is an integer number (60500126290).

Almost surely, 2^121000252579 is an apocalyptic number.

121000252579 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000252579 is an equidigital number, since it uses as much as digits as its factorization.

121000252579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 121000252579 in words is "one hundred twenty-one billion, two hundred fifty-two thousand, five hundred seventy-nine".