1127982449 has 6 divisors (see below), whose sum is σ = 1239848610. Its totient is φ = 1025438480.

The previous prime is 1127982421. The next prime is 1127982451. The reversal of 1127982449 is 9442897211.

It can be written as a sum of positive squares in only one way, i.e., 895206400 + 232776049 = 29920^2 + 15257^2 .

It is not a de Polignac number, because 1127982449 - 2¹⁶ = 1127916913 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1127984449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4660964 + ... + 4661205.

It is an arithmetic number, because the mean of its divisors is an integer number (206641435).

Almost surely, 2^1127982449 is an apocalyptic number.

It is an amenable number.

1127982449 is a deficient number, since it is larger than the sum of its proper divisors (111866161).

1127982449 is an equidigital number, since it uses as much as digits as its factorization.

1127982449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322191 (or 9322180 counting only the distinct ones).

The product of its digits is 290304, while the sum is 47.

The square root of 1127982449 is about 33585.4499597668. The cubic root of 1127982449 is about 1040.9601737186.

The spelling of 1127982449 in words is "one billion, one hundred twenty-seven million, nine hundred eighty-two thousand, four hundred forty-nine".