1131827 has 2 divisors, whose sum is σ = 1131828. Its totient is φ = 1131826.

The previous prime is 1131821. The next prime is 1131829. The reversal of 1131827 is 7281311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1131827 - 2⁶ = 1131763 is a prime.

Together with 1131829, 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 (1131821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565913 + 565914.

It is an arithmetic number, because the mean of its divisors is an integer number (565914).

2^1131827 is an apocalyptic number.

1131827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131827 is an equidigital number, since it uses as much as digits as its factorization.

1131827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336, while the sum is 23.

The square root of 1131827 is about 1063.8735827155. The cubic root of 1131827 is about 104.2141482380.

The spelling of 1131827 in words is "one million, one hundred thirty-one thousand, eight hundred twenty-seven".