1127589649 has 2 divisors, whose sum is σ = 1127589650. Its totient is φ = 1127589648.

The previous prime is 1127589623. The next prime is 1127589653. The reversal of 1127589649 is 9469857211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1117698624 + 9891025 = 33432^2 + 3145^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127589649 - 2¹⁹ = 1127065361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1127589596 and 1127589605.

It is not a weakly prime, because it can be changed into another prime (1127589679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563794824 + 563794825.

It is an arithmetic number, because the mean of its divisors is an integer number (563794825).

Almost surely, 2^1127589649 is an apocalyptic number.

It is an amenable number.

1127589649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127589649 is an equidigital number, since it uses as much as digits as its factorization.

1127589649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 52.

The square root of 1127589649 is about 33579.6016801867. The cubic root of 1127589649 is about 1040.8393276810.

The spelling of 1127589649 in words is "one billion, one hundred twenty-seven million, five hundred eighty-nine thousand, six hundred forty-nine".