1204111343 has 16 divisors (see below), whose sum is σ = 1296568224. Its totient is φ = 1114214400.

The previous prime is 1204111333. The next prime is 1204111351. The reversal of 1204111343 is 3431114021.

It is a cyclic number.

It is not a de Polignac number, because 1204111343 - 2¹⁰ = 1204110319 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 (1204111333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256568 + ... + 261218.

It is an arithmetic number, because the mean of its divisors is an integer number (81035514).

Almost surely, 2^1204111343 is an apocalyptic number.

1204111343 is a deficient number, since it is larger than the sum of its proper divisors (92456881).

1204111343 is a wasteful number, since it uses less digits than its factorization.

1204111343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4922.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1204111343 is about 34700.3075346603. The cubic root of 1204111343 is about 1063.8707841344.

Adding to 1204111343 its reverse (3431114021), we get a palindrome (4635225364).

The spelling of 1204111343 in words is "one billion, two hundred four million, one hundred eleven thousand, three hundred forty-three".