121004242589 has 2 divisors, whose sum is σ = 121004242590. Its totient is φ = 121004242588.

The previous prime is 121004242577. The next prime is 121004242609. The reversal of 121004242589 is 985242400121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64866996100 + 56137246489 = 254690^2 + 236933^2 .

It is a cyclic number.

It is not a de Polignac number, because 121004242589 - 2¹² = 121004238493 is a prime.

It is a super-2 number, since 2×121004242589² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121004242519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60502121294 + 60502121295.

It is an arithmetic number, because the mean of its divisors is an integer number (60502121295).

Almost surely, 2^121004242589 is an apocalyptic number.

It is an amenable number.

121004242589 is a deficient number, since it is larger than the sum of its proper divisors (1).

121004242589 is an equidigital number, since it uses as much as digits as its factorization.

121004242589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 121004242589 in words is "one hundred twenty-one billion, four million, two hundred forty-two thousand, five hundred eighty-nine".