1227797 has 2 divisors, whose sum is σ = 1227798. Its totient is φ = 1227796.

The previous prime is 1227769. The next prime is 1227829. The reversal of 1227797 is 7977221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 164836 = 1031^2 + 406^2 .

It is a cyclic number.

It is not a de Polignac number, because 1227797 - 2¹⁶ = 1162261 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1227497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613898 + 613899.

It is an arithmetic number, because the mean of its divisors is an integer number (613899).

2^1227797 is an apocalyptic number.

It is an amenable number.

1227797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227797 is an equidigital number, since it uses as much as digits as its factorization.

1227797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12348, while the sum is 35.

The square root of 1227797 is about 1108.0600164251. The cubic root of 1227797 is about 107.0801216651.

The spelling of 1227797 in words is "one million, two hundred twenty-seven thousand, seven hundred ninety-seven".