1266410231 has 2 divisors, whose sum is σ = 1266410232. Its totient is φ = 1266410230.

The previous prime is 1266410219. The next prime is 1266410237. The reversal of 1266410231 is 1320146621.

It is a strong prime.

It is an emirp because it is prime and its reverse (1320146621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1266410231 - 2³⁰ = 192668407 is a prime.

It is a super-2 number, since 2×1266410231² = 3207589746362946722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1266410231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1266410237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 633205115 + 633205116.

It is an arithmetic number, because the mean of its divisors is an integer number (633205116).

Almost surely, 2^1266410231 is an apocalyptic number.

1266410231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1266410231 is an equidigital number, since it uses as much as digits as its factorization.

1266410231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1266410231 is about 35586.6580476448. The cubic root of 1266410231 is about 1081.9108350029.

Adding to 1266410231 its reverse (1320146621), we get a palindrome (2586556852).

The spelling of 1266410231 in words is "one billion, two hundred sixty-six million, four hundred ten thousand, two hundred thirty-one".