1224359 has 4 divisors (see below), whose sum is σ = 1277616. Its totient is φ = 1171104.

The previous prime is 1224347. The next prime is 1224389. The reversal of 1224359 is 9534221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1224359 - 2¹⁶ = 1158823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224329) 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, 26594 + ... + 26639.

It is an arithmetic number, because the mean of its divisors is an integer number (319404).

2^1224359 is an apocalyptic number.

1224359 is a deficient number, since it is larger than the sum of its proper divisors (53257).

1224359 is an equidigital number, since it uses as much as digits as its factorization.

1224359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53256.

The product of its digits is 2160, while the sum is 26.

The square root of 1224359 is about 1106.5075688851. The cubic root of 1224359 is about 106.9800818895.

The spelling of 1224359 in words is "one million, two hundred twenty-four thousand, three hundred fifty-nine".