1043265 has 16 divisors (see below), whose sum is σ = 1683648. Its totient is φ = 551616.

The previous prime is 1043221. The next prime is 1043279. The reversal of 1043265 is 5623401.

It is a happy number.

It is not a de Polignac number, because 1043265 - 2⁶ = 1043201 is a prime.

1043265 is a lucky number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2134 + ... + 2576.

It is an arithmetic number, because the mean of its divisors is an integer number (105228).

2^1043265 is an apocalyptic number.

1043265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1043265 is a deficient number, since it is larger than the sum of its proper divisors (640383).

1043265 is a wasteful number, since it uses less digits than its factorization.

1043265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1043265 is about 1021.4034462444. The cubic root of 1043265 is about 101.4218541569.

Adding to 1043265 its reverse (5623401), we get a palindrome (6666666).

The spelling of 1043265 in words is "one million, forty-three thousand, two hundred sixty-five".