1223465 has 8 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 972592.

The previous prime is 1223459. The next prime is 1223471. The reversal of 1223465 is 5643221.

It is an interprime number because it is at equal distance from previous prime (1223459) and next prime (1223471).

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 1223465 - 2⁴ = 1223449 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1223465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212 + ... + 1578.

It is an arithmetic number, because the mean of its divisors is an integer number (184680).

2^1223465 is an apocalyptic number.

It is an amenable number.

1223465 is a deficient number, since it is larger than the sum of its proper divisors (253975).

1223465 is a wasteful number, since it uses less digits than its factorization.

1223465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551.

The product of its digits is 1440, while the sum is 23.

The square root of 1223465 is about 1106.1035213758. The cubic root of 1223465 is about 106.9540373821.

Adding to 1223465 its reverse (5643221), we get a palindrome (6866686).

The spelling of 1223465 in words is "one million, two hundred twenty-three thousand, four hundred sixty-five".