1227983 has 2 divisors, whose sum is σ = 1227984. Its totient is φ = 1227982.

The previous prime is 1227979. The next prime is 1228001. The reversal of 1227983 is 3897221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1227983 - 2² = 1227979 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613991 + 613992.

It is an arithmetic number, because the mean of its divisors is an integer number (613992).

2^1227983 is an apocalyptic number.

1227983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227983 is an equidigital number, since it uses as much as digits as its factorization.

1227983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 32.

The square root of 1227983 is about 1108.1439437185. The cubic root of 1227983 is about 107.0855286113.

The spelling of 1227983 in words is "one million, two hundred twenty-seven thousand, nine hundred eighty-three".