1283771 has 2 divisors, whose sum is σ = 1283772. Its totient is φ = 1283770.

The previous prime is 1283767. The next prime is 1283797. The reversal of 1283771 is 1773821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1283771 - 2² = 1283767 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1283701) 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, 641885 + 641886.

It is an arithmetic number, because the mean of its divisors is an integer number (641886).

2^1283771 is an apocalyptic number.

1283771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283771 is an equidigital number, since it uses as much as digits as its factorization.

1283771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2352, while the sum is 29.

The square root of 1283771 is about 1133.0361865360. The cubic root of 1283771 is about 108.6832258421.

The spelling of 1283771 in words is "one million, two hundred eighty-three thousand, seven hundred seventy-one".