1126663 has 2 divisors, whose sum is σ = 1126664. Its totient is φ = 1126662.

The previous prime is 1126661. The next prime is 1126667. The reversal of 1126663 is 3666211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1126663 - 2¹ = 1126661 is a prime.

Together with 1126661, it forms a pair of twin primes.

1126663 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563331 + 563332.

It is an arithmetic number, because the mean of its divisors is an integer number (563332).

2^1126663 is an apocalyptic number.

1126663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126663 is an equidigital number, since it uses as much as digits as its factorization.

1126663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 1126663 is about 1061.4438280003. The cubic root of 1126663 is about 104.0554130240.

The spelling of 1126663 in words is "one million, one hundred twenty-six thousand, six hundred sixty-three".