1224465 has 32 divisors (see below), whose sum is σ = 2201472. Its totient is φ = 576000.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224465 is 5644221.

It is not a de Polignac number, because 1224465 - 2⁷ = 1224337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6675 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2^1224465 is an apocalyptic number.

1224465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1224465 is a deficient number, since it is larger than the sum of its proper divisors (977007).

1224465 is a wasteful number, since it uses less digits than its factorization.

1224465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its digits is 1920, while the sum is 24.

The square root of 1224465 is about 1106.5554663007. Note that the first 3 decimals coincide. The cubic root of 1224465 is about 106.9831690998.

Adding to 1224465 its reverse (5644221), we get a palindrome (6868686).

The spelling of 1224465 in words is "one million, two hundred twenty-four thousand, four hundred sixty-five".