1265303 has 6 divisors (see below), whose sum is σ = 1370304. Its totient is φ = 1167816.

The previous prime is 1265281. The next prime is 1265311. The reversal of 1265303 is 3035621.

It is not a de Polignac number, because 1265303 - 2¹⁶ = 1199767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3575 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (228384).

2^1265303 is an apocalyptic number.

1265303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1265303 is a deficient number, since it is larger than the sum of its proper divisors (105001).

1265303 is an equidigital number, since it uses as much as digits as its factorization.

1265303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7513 (or 7500 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 1265303 is about 1124.8568797852. The cubic root of 1265303 is about 108.1595435755.

The spelling of 1265303 in words is "one million, two hundred sixty-five thousand, three hundred three".