1265268 has 24 divisors (see below), whose sum is σ = 2985472. Its totient is φ = 417024.

The previous prime is 1265249. The next prime is 1265273. The reversal of 1265268 is 8625621.

It is a super-2 number, since 2×1265268² = 3201806223648, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621 + ... + 1707.

2^1265268 is an apocalyptic number.

It is an amenable number.

1265268 is an abundant number, since it is smaller than the sum of its proper divisors (1720204).

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

1265268 is a wasteful number, since it uses less digits than its factorization.

1265268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191 (or 1189 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 1265268 is about 1124.8413221428. The cubic root of 1265268 is about 108.1585462863.

It can be divided in two parts, 12652 and 68, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 1265268 in words is "one million, two hundred sixty-five thousand, two hundred sixty-eight".