1224159 has 8 divisors (see below), whose sum is σ = 1684992. Its totient is φ = 789720.

The previous prime is 1224149. The next prime is 1224163. The reversal of 1224159 is 9514221.

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

It is not a de Polignac number, because 1224159 - 2⁷ = 1224031 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224109) 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, 6489 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (210624).

2^1224159 is an apocalyptic number.

1224159 is a deficient number, since it is larger than the sum of its proper divisors (460833).

1224159 is a wasteful number, since it uses less digits than its factorization.

1224159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13197.

The product of its digits is 720, while the sum is 24.

The square root of 1224159 is about 1106.4171907558. The cubic root of 1224159 is about 106.9742564789.

The spelling of 1224159 in words is "one million, two hundred twenty-four thousand, one hundred fifty-nine".