1227468257 has 2 divisors, whose sum is σ = 1227468258. Its totient is φ = 1227468256.

The previous prime is 1227468247. The next prime is 1227468259. The reversal of 1227468257 is 7528647221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1050019216 + 177449041 = 32404^2 + 13321^2 .

It is an emirp because it is prime and its reverse (7528647221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1227468257 - 2¹⁴ = 1227451873 is a prime.

Together with 1227468259, 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 (1227468259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613734128 + 613734129.

It is an arithmetic number, because the mean of its divisors is an integer number (613734129).

Almost surely, 2^1227468257 is an apocalyptic number.

It is an amenable number.

1227468257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1227468257 is an equidigital number, since it uses as much as digits as its factorization.

1227468257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 376320, while the sum is 44.

The square root of 1227468257 is about 35035.2430703713. The cubic root of 1227468257 is about 1070.7056390092.

The spelling of 1227468257 in words is "one billion, two hundred twenty-seven million, four hundred sixty-eight thousand, two hundred fifty-seven".