1275422231 has 2 divisors, whose sum is σ = 1275422232. Its totient is φ = 1275422230.

The previous prime is 1275422209. The next prime is 1275422311. The reversal of 1275422231 is 1322245721.

It is a weak prime.

It is an emirp because it is prime and its reverse (1322245721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1275422231 - 2¹⁸ = 1275160087 is a prime.

It is a super-2 number, since 2×1275422231² = 3253403734658034722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1275422194 and 1275422203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1274422231) 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, 637711115 + 637711116.

It is an arithmetic number, because the mean of its divisors is an integer number (637711116).

Almost surely, 2^1275422231 is an apocalyptic number.

1275422231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1275422231 is an equidigital number, since it uses as much as digits as its factorization.

1275422231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 1275422231 is about 35713.0540699056. The cubic root of 1275422231 is about 1084.4711279226.

Adding to 1275422231 its reverse (1322245721), we get a palindrome (2597667952).

The spelling of 1275422231 in words is "one billion, two hundred seventy-five million, four hundred twenty-two thousand, two hundred thirty-one".