1224604135 has 4 divisors (see below), whose sum is σ = 1469524968. Its totient is φ = 979683304.

The previous prime is 1224604081. The next prime is 1224604243. The reversal of 1224604135 is 5314064221.

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 1224604135 - 2⁹ = 1224603623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122460409 + ... + 122460418.

It is an arithmetic number, because the mean of its divisors is an integer number (367381242).

Almost surely, 2^1224604135 is an apocalyptic number.

1224604135 is a deficient number, since it is larger than the sum of its proper divisors (244920833).

1224604135 is an equidigital number, since it uses as much as digits as its factorization.

1224604135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244920832.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1224604135 is about 34994.3443287626. The cubic root of 1224604135 is about 1069.8722108430.

Adding to 1224604135 its reverse (5314064221), we get a palindrome (6538668356).

The spelling of 1224604135 in words is "one billion, two hundred twenty-four million, six hundred four thousand, one hundred thirty-five".