1204144113 has 4 divisors (see below), whose sum is σ = 1605525488. Its totient is φ = 802762740.

The previous prime is 1204144103. The next prime is 1204144181. The reversal of 1204144113 is 3114414021.

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 1204144113 - 2¹⁰ = 1204143089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204144113.

It is not an unprimeable number, because it can be changed into a prime (1204144103) 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, 200690683 + ... + 200690688.

It is an arithmetic number, because the mean of its divisors is an integer number (401381372).

Almost surely, 2^1204144113 is an apocalyptic number.

It is an amenable number.

1204144113 is a deficient number, since it is larger than the sum of its proper divisors (401381375).

1204144113 is an equidigital number, since it uses as much as digits as its factorization.

1204144113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401381374.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1204144113 is about 34700.7797174646. The cubic root of 1204144113 is about 1063.8804351603.

Adding to 1204144113 its reverse (3114414021), we get a palindrome (4318558134).

The spelling of 1204144113 in words is "one billion, two hundred four million, one hundred forty-four thousand, one hundred thirteen".