1224457 has 8 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 1120080.

The previous prime is 1224439. The next prime is 1224473. The reversal of 1224457 is 7544221.

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

It is not a de Polignac number, because 1224457 - 2⁷ = 1224329 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1224437) 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, 1344 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (166320).

2^1224457 is an apocalyptic number.

It is an amenable number.

1224457 is a deficient number, since it is larger than the sum of its proper divisors (106103).

1224457 is a wasteful number, since it uses less digits than its factorization.

1224457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 2240, while the sum is 25.

The square root of 1224457 is about 1106.5518514738. The cubic root of 1224457 is about 106.9829361090.

Adding to 1224457 its reverse (7544221), we get a palindrome (8768678).

It can be divided in two parts, 1224 and 457, that added together give a square (1681 = 41²).

The spelling of 1224457 in words is "one million, two hundred twenty-four thousand, four hundred fifty-seven".