1265741 has 2 divisors, whose sum is σ = 1265742. Its totient is φ = 1265740.

The previous prime is 1265729. The next prime is 1265777. The reversal of 1265741 is 1475621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 697225 + 568516 = 835^2 + 754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1265741 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1265741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632870 + 632871.

It is an arithmetic number, because the mean of its divisors is an integer number (632871).

2^1265741 is an apocalyptic number.

It is an amenable number.

1265741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265741 is an equidigital number, since it uses as much as digits as its factorization.

1265741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 1265741 is about 1125.0515543743. The cubic root of 1265741 is about 108.1720223822.

The spelling of 1265741 in words is "one million, two hundred sixty-five thousand, seven hundred forty-one".