1204133143 has 4 divisors (see below), whose sum is σ = 1236677320. Its totient is φ = 1171588968.

The previous prime is 1204133131. The next prime is 1204133149. The reversal of 1204133143 is 3413314021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3413314021 = 13 ⋅262562617.

It is a cyclic number.

It is not a de Polignac number, because 1204133143 - 2²⁹ = 667262231 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 (1204133149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16272033 + ... + 16272106.

It is an arithmetic number, because the mean of its divisors is an integer number (309169330).

Almost surely, 2^1204133143 is an apocalyptic number.

1204133143 is a deficient number, since it is larger than the sum of its proper divisors (32544177).

1204133143 is an equidigital number, since it uses as much as digits as its factorization.

1204133143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32544176.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1204133143 is about 34700.6216514921. The cubic root of 1204133143 is about 1063.8772044274.

Adding to 1204133143 its reverse (3413314021), we get a palindrome (4617447164).

The spelling of 1204133143 in words is "one billion, two hundred four million, one hundred thirty-three thousand, one hundred forty-three".