1255266 has 12 divisors (see below), whose sum is σ = 2719782. Its totient is φ = 418416.

The previous prime is 1255259. The next prime is 1255279. The reversal of 1255266 is 6625521.

It can be written as a sum of positive squares in only one way, i.e., 1071225 + 184041 = 1035^2 + 429^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34851 + ... + 34886.

2^1255266 is an apocalyptic number.

1255266 is an abundant number, since it is smaller than the sum of its proper divisors (1464516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255266 is a wasteful number, since it uses less digits than its factorization.

1255266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69745 (or 69742 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1255266 is about 1120.3865404404. The cubic root of 1255266 is about 107.8727926149.

It can be divided in two parts, 1255 and 266, that added together give a square (1521 = 39²).

The spelling of 1255266 in words is "one million, two hundred fifty-five thousand, two hundred sixty-six".