1265288 has 8 divisors (see below), whose sum is σ = 2372430. Its totient is φ = 632640.

The previous prime is 1265281. The next prime is 1265311. The reversal of 1265288 is 8825621.

It can be written as a sum of positive squares in only one way, i.e., 1119364 + 145924 = 1058^2 + 382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1265281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79073 + ... + 79088.

2^1265288 is an apocalyptic number.

It is an amenable number.

1265288 is a deficient number, since it is larger than the sum of its proper divisors (1107142).

1265288 is a wasteful number, since it uses less digits than its factorization.

1265288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158167 (or 158163 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 1265288 is about 1124.8502122505. The cubic root of 1265288 is about 108.1591161681.

The spelling of 1265288 in words is "one million, two hundred sixty-five thousand, two hundred eighty-eight".