1128727 has 2 divisors, whose sum is σ = 1128728. Its totient is φ = 1128726.

The previous prime is 1128719. The next prime is 1128731. The reversal of 1128727 is 7278211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1128727 - 2³ = 1128719 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1128695 and 1128704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564363 + 564364.

It is an arithmetic number, because the mean of its divisors is an integer number (564364).

2^1128727 is an apocalyptic number.

1128727 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128727 is an equidigital number, since it uses as much as digits as its factorization.

1128727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1568, while the sum is 28.

The square root of 1128727 is about 1062.4156437101. The cubic root of 1128727 is about 104.1189159986.

The spelling of 1128727 in words is "one million, one hundred twenty-eight thousand, seven hundred twenty-seven".