1265827 has 2 divisors, whose sum is σ = 1265828. Its totient is φ = 1265826.

The previous prime is 1265813. The next prime is 1265843. The reversal of 1265827 is 7285621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1265827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1265857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632913 + 632914.

It is an arithmetic number, because the mean of its divisors is an integer number (632914).

2^1265827 is an apocalyptic number.

1265827 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265827 is an equidigital number, since it uses as much as digits as its factorization.

1265827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 31.

The square root of 1265827 is about 1125.0897741958. The cubic root of 1265827 is about 108.1744722208.

The spelling of 1265827 in words is "one million, two hundred sixty-five thousand, eight hundred twenty-seven".