1265136 has 20 divisors (see below), whose sum is σ = 3268392. Its totient is φ = 421696.

The previous prime is 1265129. The next prime is 1265167. The reversal of 1265136 is 6315621.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 3 ways as a sum of consecutive naturals, for example, 13131 + ... + 13226.

2^1265136 is an apocalyptic number.

1265136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1265136 is an abundant number, since it is smaller than the sum of its proper divisors (2003256).

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

1265136 is a wasteful number, since it uses less digits than its factorization.

1265136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26368 (or 26362 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

The square root of 1265136 is about 1124.7826456698. The cubic root of 1265136 is about 108.1547849160.

The spelling of 1265136 in words is "one million, two hundred sixty-five thousand, one hundred thirty-six".