1127577749 has 2 divisors, whose sum is σ = 1127577750. Its totient is φ = 1127577748.

The previous prime is 1127577719. The next prime is 1127577769. The reversal of 1127577749 is 9477757211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1056900100 + 70677649 = 32510^2 + 8407^2 .

It is a cyclic number.

It is not a de Polignac number, because 1127577749 - 2¹⁶ = 1127512213 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1127577697 and 1127577706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1127577709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563788874 + 563788875.

It is an arithmetic number, because the mean of its divisors is an integer number (563788875).

Almost surely, 2^1127577749 is an apocalyptic number.

It is an amenable number.

1127577749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127577749 is an equidigital number, since it uses as much as digits as its factorization.

1127577749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864360, while the sum is 50.

The square root of 1127577749 is about 33579.4244888146. The cubic root of 1127577749 is about 1040.8356661742.

The spelling of 1127577749 in words is "one billion, one hundred twenty-seven million, five hundred seventy-seven thousand, seven hundred forty-nine".