1232565 has 8 divisors (see below), whose sum is σ = 1972128. Its totient is φ = 657360.

The previous prime is 1232563. The next prime is 1232573. The reversal of 1232565 is 5652321.

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

It is not a de Polignac number, because 1232565 - 2¹ = 1232563 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41071 + ... + 41100.

It is an arithmetic number, because the mean of its divisors is an integer number (246516).

2^1232565 is an apocalyptic number.

1232565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1232565 is a deficient number, since it is larger than the sum of its proper divisors (739563).

1232565 is an equidigital number, since it uses as much as digits as its factorization.

1232565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82179.

The product of its digits is 1800, while the sum is 24.

The square root of 1232565 is about 1110.2094397005. The cubic root of 1232565 is about 107.2185534921.

Adding to 1232565 its reverse (5652321), we get a palindrome (6884886).

The spelling of 1232565 in words is "one million, two hundred thirty-two thousand, five hundred sixty-five".