1020432143 has 8 divisors (see below), whose sum is σ = 1040597712. Its totient is φ = 1000463616.

The previous prime is 1020432137. The next prime is 1020432151. The reversal of 1020432143 is 3412340201.

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 1020432143 - 2²⁰ = 1019383567 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 (1020432103) 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 7 ways as a sum of consecutive naturals, for example, 38780 + ... + 59537.

It is an arithmetic number, because the mean of its divisors is an integer number (130074714).

Almost surely, 2^1020432143 is an apocalyptic number.

1020432143 is a deficient number, since it is larger than the sum of its proper divisors (20165569).

1020432143 is an equidigital number, since it uses as much as digits as its factorization.

1020432143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98521.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1020432143 is about 31944.2035900099. The cubic root of 1020432143 is about 1006.7648479716.

Adding to 1020432143 its reverse (3412340201), we get a palindrome (4432772344).

The spelling of 1020432143 in words is "one billion, twenty million, four hundred thirty-two thousand, one hundred forty-three".