1241002589 has 2 divisors, whose sum is σ = 1241002590. Its totient is φ = 1241002588.

The previous prime is 1241002549. The next prime is 1241002603. The reversal of 1241002589 is 9852001421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 777461689 + 463540900 = 27883^2 + 21530^2 .

It is an emirp because it is prime and its reverse (9852001421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1241002589 - 2²⁰ = 1239954013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241002549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620501294 + 620501295.

It is an arithmetic number, because the mean of its divisors is an integer number (620501295).

Almost surely, 2^1241002589 is an apocalyptic number.

It is an amenable number.

1241002589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241002589 is an equidigital number, since it uses as much as digits as its factorization.

1241002589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 1241002589 is about 35227.8666541135. The cubic root of 1241002589 is about 1074.6265409788.

The spelling of 1241002589 in words is "one billion, two hundred forty-one million, two thousand, five hundred eighty-nine".