1204424135 has 4 divisors (see below), whose sum is σ = 1445308968. Its totient is φ = 963539304.

The previous prime is 1204424131. The next prime is 1204424147. The reversal of 1204424135 is 5314244021.

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 1204424135 - 2² = 1204424131 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 (1204424131) 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, 120442409 + ... + 120442418.

It is an arithmetic number, because the mean of its divisors is an integer number (361327242).

Almost surely, 2^1204424135 is an apocalyptic number.

1204424135 is a deficient number, since it is larger than the sum of its proper divisors (240884833).

1204424135 is an equidigital number, since it uses as much as digits as its factorization.

1204424135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240884832.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1204424135 is about 34704.8142913919. The cubic root of 1204424135 is about 1063.9628967290.

Adding to 1204424135 its reverse (5314244021), we get a palindrome (6518668156).

The spelling of 1204424135 in words is "one billion, two hundred four million, four hundred twenty-four thousand, one hundred thirty-five".