1000120219589 has 2 divisors, whose sum is σ = 1000120219590. Its totient is φ = 1000120219588.

The previous prime is 1000120219573. The next prime is 1000120219591. The reversal of 1000120219589 is 9859120210001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 759613347364 + 240506872225 = 871558^2 + 490415^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000120219589 - 2⁴ = 1000120219573 is a prime.

Together with 1000120219591, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000120219789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500060109794 + 500060109795.

It is an arithmetic number, because the mean of its divisors is an integer number (500060109795).

Almost surely, 2^{1000120219589} is an apocalyptic number.

It is an amenable number.

1000120219589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000120219589 is an equidigital number, since it uses as much as digits as its factorization.

1000120219589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 38.

The spelling of 1000120219589 in words is "one trillion, one hundred twenty million, two hundred nineteen thousand, five hundred eighty-nine".