1230265 has 8 divisors (see below), whose sum is σ = 1485000. Its totient is φ = 978432.

The previous prime is 1230263. The next prime is 1230301. The reversal of 1230265 is 5620321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 389376 + 840889 = 624^2 + 917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230265 - 2¹ = 1230263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230263) 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 7 ways as a sum of consecutive naturals, for example, 361 + ... + 1609.

It is an arithmetic number, because the mean of its divisors is an integer number (185625).

2^1230265 is an apocalyptic number.

It is an amenable number.

1230265 is a deficient number, since it is larger than the sum of its proper divisors (254735).

1230265 is a wasteful number, since it uses less digits than its factorization.

1230265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1230265 is about 1109.1731154333. The cubic root of 1230265 is about 107.1518210490.

Adding to 1230265 its reverse (5620321), we get a palindrome (6850586).

The spelling of 1230265 in words is "one million, two hundred thirty thousand, two hundred sixty-five".