1266825268 has 12 divisors (see below), whose sum is σ = 2217231940. Its totient is φ = 633330432.

The previous prime is 1266825253. The next prime is 1266825269. The reversal of 1266825268 is 8625286621.

It can be written as a sum of positive squares in 2 ways, for example, as 728028324 + 538796944 = 26982^2 + 23212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266825269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25678 + ... + 56506.

Almost surely, 2^1266825268 is an apocalyptic number.

It is an amenable number.

1266825268 is a deficient number, since it is larger than the sum of its proper divisors (950406672).

1266825268 is a wasteful number, since it uses less digits than its factorization.

1266825268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41106 (or 41104 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 1266825268 is about 35592.4889267385. The cubic root of 1266825268 is about 1082.0290126075.

The spelling of 1266825268 in words is "one billion, two hundred sixty-six million, eight hundred twenty-five thousand, two hundred sixty-eight".