1047389143 has 8 divisors (see below), whose sum is σ = 1086220080. Its totient is φ = 1008739200.

The previous prime is 1047389099. The next prime is 1047389153. The reversal of 1047389143 is 3419837401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047389143 - 2¹⁷ = 1047258071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1047389096 and 1047389105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047389153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33405 + ... + 56662.

It is an arithmetic number, because the mean of its divisors is an integer number (135777510).

Almost surely, 2^1047389143 is an apocalyptic number.

1047389143 is a deficient number, since it is larger than the sum of its proper divisors (38830937).

1047389143 is an equidigital number, since it uses as much as digits as its factorization.

1047389143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90497.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1047389143 is about 32363.3920193789. The cubic root of 1047389143 is about 1015.5532240975.

The spelling of 1047389143 in words is "one billion, forty-seven million, three hundred eighty-nine thousand, one hundred forty-three".