1266423248 has 10 divisors (see below), whose sum is σ = 2453695074. Its totient is φ = 633211616.

The previous prime is 1266423241. The next prime is 1266423271. The reversal of 1266423248 is 8423246621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1145687104 + 120736144 = 33848^2 + 10988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266423241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39575711 + ... + 39575742.

Almost surely, 2^1266423248 is an apocalyptic number.

It is an amenable number.

1266423248 is a deficient number, since it is larger than the sum of its proper divisors (1187271826).

1266423248 is an equidigital number, since it uses as much as digits as its factorization.

1266423248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79151461 (or 79151455 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 1266423248 is about 35586.8409387515. The cubic root of 1266423248 is about 1081.9145418547.

Adding to 1266423248 its reverse (8423246621), we get a palindrome (9689669869).

The spelling of 1266423248 in words is "one billion, two hundred sixty-six million, four hundred twenty-three thousand, two hundred forty-eight".