1013265 has 48 divisors (see below), whose sum is σ = 2021760. Its totient is φ = 464640.

The previous prime is 1013263. The next prime is 1013267. The reversal of 1013265 is 5623101.

It is an interprime number because it is at equal distance from previous prime (1013263) and next prime (1013267).

It is not a de Polignac number, because 1013265 - 2¹ = 1013263 is a prime.

It is an Ulam number.

1013265 is a lucky number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1013263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11341 + ... + 11429.

It is an arithmetic number, because the mean of its divisors is an integer number (42120).

2^1013265 is an apocalyptic number.

1013265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1013265 is a deficient number, since it is larger than the sum of its proper divisors (1008495).

1013265 is a wasteful number, since it uses less digits than its factorization.

1013265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1013265 is about 1006.6106496556. The cubic root of 1013265 is about 100.4402258350.

Adding to 1013265 its reverse (5623101), we get a palindrome (6636366).

The spelling of 1013265 in words is "one million, thirteen thousand, two hundred sixty-five".