1224057 has 4 divisors (see below), whose sum is σ = 1632080. Its totient is φ = 816036.

The previous prime is 1224053. The next prime is 1224059. The reversal of 1224057 is 7504221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1224057 - 2² = 1224053 is a prime.

It is a D-number.

It is a Duffinian number.

1224057 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1224053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204007 + ... + 204012.

It is an arithmetic number, because the mean of its divisors is an integer number (408020).

2^1224057 is an apocalyptic number.

It is an amenable number.

1224057 is a deficient number, since it is larger than the sum of its proper divisors (408023).

1224057 is an equidigital number, since it uses as much as digits as its factorization.

1224057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408022.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1224057 is about 1106.3710950671. The cubic root of 1224057 is about 106.9712852752.

Adding to 1224057 its reverse (7504221), we get a palindrome (8728278).

The spelling of 1224057 in words is "one million, two hundred twenty-four thousand, fifty-seven".