1150021589 has 2 divisors, whose sum is σ = 1150021590. Its totient is φ = 1150021588.

The previous prime is 1150021517. The next prime is 1150021667. The reversal of 1150021589 is 9851200511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1035745489 + 114276100 = 32183^2 + 10690^2 .

It is a cyclic number.

It is not a de Polignac number, because 1150021589 - 2²⁰ = 1148973013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150021289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575010794 + 575010795.

It is an arithmetic number, because the mean of its divisors is an integer number (575010795).

Almost surely, 2^1150021589 is an apocalyptic number.

It is an amenable number.

1150021589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150021589 is an equidigital number, since it uses as much as digits as its factorization.

1150021589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 32.

The square root of 1150021589 is about 33911.9682265716. The cubic root of 1150021589 is about 1047.6961092378.

The spelling of 1150021589 in words is "one billion, one hundred fifty million, twenty-one thousand, five hundred eighty-nine".