1046631143 has 4 divisors (see below), whose sum is σ = 1052681208. Its totient is φ = 1040581080.

The previous prime is 1046631133. The next prime is 1046631167. The reversal of 1046631143 is 3411366401.

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 1046631143 - 2⁴ = 1046631127 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 (1046631133) 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, 3024773 + ... + 3025118.

It is an arithmetic number, because the mean of its divisors is an integer number (263170302).

Almost surely, 2^1046631143 is an apocalyptic number.

1046631143 is a deficient number, since it is larger than the sum of its proper divisors (6050065).

1046631143 is an equidigital number, since it uses as much as digits as its factorization.

1046631143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050064.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1046631143 is about 32351.6791372565. The cubic root of 1046631143 is about 1015.3081782379.

Adding to 1046631143 its reverse (3411366401), we get a palindrome (4457997544).

The spelling of 1046631143 in words is "one billion, forty-six million, six hundred thirty-one thousand, one hundred forty-three".