1265071 has 4 divisors (see below), whose sum is σ = 1270872. Its totient is φ = 1259272.

The previous prime is 1265063. The next prime is 1265081. The reversal of 1265071 is 1705621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1705621 = 61 ⋅27961.

It is a cyclic number.

It is not a de Polignac number, because 1265071 - 2³ = 1265063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2560 + ... + 3013.

It is an arithmetic number, because the mean of its divisors is an integer number (317718).

2^1265071 is an apocalyptic number.

1265071 is a deficient number, since it is larger than the sum of its proper divisors (5801).

1265071 is an equidigital number, since it uses as much as digits as its factorization.

1265071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1265071 is about 1124.7537508273. The cubic root of 1265071 is about 108.1529326299.

It can be divided in two parts, 12650 and 71, that added together give a palindrome (12721).

The spelling of 1265071 in words is "one million, two hundred sixty-five thousand, seventy-one".