1012265 has 8 divisors (see below), whose sum is σ = 1286280. Its totient is φ = 762112.

The previous prime is 1012261. The next prime is 1012267. The reversal of 1012265 is 5622101.

It can be written as a sum of positive squares in 4 ways, for example, as 143641 + 868624 = 379^2 + 932^2 .

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 1012265 - 2² = 1012261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1012261) 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, 5870 + ... + 6039.

It is an arithmetic number, because the mean of its divisors is an integer number (160785).

2^1012265 is an apocalyptic number.

It is an amenable number.

1012265 is a deficient number, since it is larger than the sum of its proper divisors (274015).

1012265 is a wasteful number, since it uses less digits than its factorization.

1012265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1012265 is about 1006.1138106596. The cubic root of 1012265 is about 100.4071731831.

Adding to 1012265 its reverse (5622101), we get a palindrome (6634366).

The spelling of 1012265 in words is "one million, twelve thousand, two hundred sixty-five".