1265113 has 2 divisors, whose sum is σ = 1265114. Its totient is φ = 1265112.

The previous prime is 1265111. The next prime is 1265119. The reversal of 1265113 is 3115621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247689 + 17424 = 1117^2 + 132^2 .

It is an emirp because it is prime and its reverse (3115621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1265113 - 2¹ = 1265111 is a prime.

Together with 1265111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1265111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632556 + 632557.

It is an arithmetic number, because the mean of its divisors is an integer number (632557).

2^1265113 is an apocalyptic number.

It is an amenable number.

1265113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265113 is an equidigital number, since it uses as much as digits as its factorization.

1265113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 19.

The square root of 1265113 is about 1124.7724214258. The cubic root of 1265113 is about 108.1541294989.

It can be divided in two parts, 1265 and 113, that added together give a triangular number (1378 = T₅₂).

The spelling of 1265113 in words is "one million, two hundred sixty-five thousand, one hundred thirteen".