1127797439 has 2 divisors, whose sum is σ = 1127797440. Its totient is φ = 1127797438.

The previous prime is 1127797393. The next prime is 1127797483. The reversal of 1127797439 is 9347977211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1127797439 - 2⁸ = 1127797183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1127797039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563898719 + 563898720.

It is an arithmetic number, because the mean of its divisors is an integer number (563898720).

Almost surely, 2^1127797439 is an apocalyptic number.

1127797439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1127797439 is an equidigital number, since it uses as much as digits as its factorization.

1127797439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 666792, while the sum is 50.

The square root of 1127797439 is about 33582.6955290965. The cubic root of 1127797439 is about 1040.9032583614.

The spelling of 1127797439 in words is "one billion, one hundred twenty-seven million, seven hundred ninety-seven thousand, four hundred thirty-nine".