1265768 has 24 divisors (see below), whose sum is σ = 2761650. Its totient is φ = 542304.

The previous prime is 1265741. The next prime is 1265777. The reversal of 1265768 is 8675621.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 103684 = 1078^2 + 322^2 .

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, 1223 + ... + 2006.

2^1265768 is an apocalyptic number.

It is an amenable number.

1265768 is an abundant number, since it is smaller than the sum of its proper divisors (1495882).

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

1265768 is a wasteful number, since it uses less digits than its factorization.

1265768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3249 (or 3238 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 1265768 is about 1125.0635537604. The cubic root of 1265768 is about 108.1727915295.

The spelling of 1265768 in words is "one million, two hundred sixty-five thousand, seven hundred sixty-eight".