1265959 has 2 divisors, whose sum is σ = 1265960. Its totient is φ = 1265958.

The previous prime is 1265941. The next prime is 1265969. The reversal of 1265959 is 9595621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1265959 is a prime.

It is a Chen prime.

It is an Ulam number.

1265959 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632979 + 632980.

It is an arithmetic number, because the mean of its divisors is an integer number (632980).

2^1265959 is an apocalyptic number.

1265959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265959 is an equidigital number, since it uses as much as digits as its factorization.

1265959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 37.

The square root of 1265959 is about 1125.1484346521. The cubic root of 1265959 is about 108.1782322222.

The spelling of 1265959 in words is "one million, two hundred sixty-five thousand, nine hundred fifty-nine".