1190427827 has 2 divisors, whose sum is σ = 1190427828. Its totient is φ = 1190427826.

The previous prime is 1190427811. The next prime is 1190427829. The reversal of 1190427827 is 7287240911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1190427827 - 2⁴ = 1190427811 is a prime.

It is a super-2 number, since 2×1190427827² = 2834236822591883858, which contains 22 as substring.

Together with 1190427829, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1190427829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 595213913 + 595213914.

It is an arithmetic number, because the mean of its divisors is an integer number (595213914).

Almost surely, 2^1190427827 is an apocalyptic number.

1190427827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1190427827 is an equidigital number, since it uses as much as digits as its factorization.

1190427827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 1190427827 is about 34502.5771066452. The cubic root of 1190427827 is about 1059.8254806432.

The spelling of 1190427827 in words is "one billion, one hundred ninety million, four hundred twenty-seven thousand, eight hundred twenty-seven".